Spectroscopic properties and energy transfers in Cr, Tm, Ho triple-doped Y₃Al₅O₁₂ transparent ceramics

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

A. S. Kurkov, V. V. Dvoyrin, and A. V. Marakulin, “All-fiber 10 W holmium lasers pumped at lambda=1.15 microm,” Opt. Lett. 35(4), 490–492 (2010).
[Crossref] [PubMed]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

A. Ikesue and Y. L. Aung, “Ceramic laser materials,” Nat. Photonics 2(12), 721–727 (2008).
[Crossref]

N. Karadimitriou, B. Klinkenberg, D. N. Papadopoulos, and A. A. Serafetinides, “Development and performance characteristics of flash lamp pumped Yb:YAG, Cr:Tm:Ho:YAG, Er:Tm:Ho:YLF laser sources and investigation of their potential biological applications,” SPIE-OSA 6633, 66331H, 66331H-7 (2007).
[Crossref]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

R. M. Kuntz, “Current role of lasers in the treatment of benign prostatic hyperplasia (BPH),” Eur. Urol. 49(6), 961–969 (2006).
[Crossref] [PubMed]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

B. M. Walsh, N. P. Barnes, and B. P. Bartolo, “On the distribution of energy between the Tm 3F4 and Ho 5I7 manifolds in Tm-sensitized Ho luminescence,” J. Lumin. 75(2), 89–98 (1997).
[Crossref]

G. Rustad and K. Stenersen, “Low threshold laser-diode side-pumped Tm:YAG and Tm:Ho:YAG lasers,” IEEE J. Sel. Top. Quant. 3(1), 82–89 (1997).
[Crossref]

N. P. Barnes, K. E. Murray, and M. G. Jani, “Flash-lamp-pumped Ho:Tm:Cr:YAG and Ho:Tm:Er:YLF lasers: modeling of a single, long pulse length comparison,” Appl. Opt. 36(15), 3363–3374 (1997).
[Crossref] [PubMed]

X. L. Zou and H. Toratani, “Spectroscopic properties and energy transfers in Tm3+ singly- and Tm3+/Ho3+ doubly-doped glasses,” J. Non-Cryst. Solids 195(1-2), 113–124 (1996).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

D. E. McCumber, “Theory of Phonon-Terminated Optical Masers,” Phys. Rev. 134(2A), A299–A306 (1964).
[Crossref]

D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836 (1953).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

A. Ikesue and Y. L. Aung, “Ceramic laser materials,” Nat. Photonics 2(12), 721–727 (2008).
[Crossref]

N. P. Barnes, K. E. Murray, and M. G. Jani, “Flash-lamp-pumped Ho:Tm:Cr:YAG and Ho:Tm:Er:YLF lasers: modeling of a single, long pulse length comparison,” Appl. Opt. 36(15), 3363–3374 (1997).
[Crossref] [PubMed]

B. M. Walsh, N. P. Barnes, and B. P. Bartolo, “On the distribution of energy between the Tm 3F4 and Ho 5I7 manifolds in Tm-sensitized Ho luminescence,” J. Lumin. 75(2), 89–98 (1997).
[Crossref]

B. M. Walsh, N. P. Barnes, and B. P. Bartolo, “On the distribution of energy between the Tm 3F4 and Ho 5I7 manifolds in Tm-sensitized Ho luminescence,” J. Lumin. 75(2), 89–98 (1997).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836 (1953).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

A. S. Kurkov, V. V. Dvoyrin, and A. V. Marakulin, “All-fiber 10 W holmium lasers pumped at lambda=1.15 microm,” Opt. Lett. 35(4), 490–492 (2010).
[Crossref] [PubMed]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

A. Ikesue and Y. L. Aung, “Ceramic laser materials,” Nat. Photonics 2(12), 721–727 (2008).
[Crossref]

N. P. Barnes, K. E. Murray, and M. G. Jani, “Flash-lamp-pumped Ho:Tm:Cr:YAG and Ho:Tm:Er:YLF lasers: modeling of a single, long pulse length comparison,” Appl. Opt. 36(15), 3363–3374 (1997).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

N. Karadimitriou, B. Klinkenberg, D. N. Papadopoulos, and A. A. Serafetinides, “Development and performance characteristics of flash lamp pumped Yb:YAG, Cr:Tm:Ho:YAG, Er:Tm:Ho:YLF laser sources and investigation of their potential biological applications,” SPIE-OSA 6633, 66331H, 66331H-7 (2007).
[Crossref]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

N. Karadimitriou, B. Klinkenberg, D. N. Papadopoulos, and A. A. Serafetinides, “Development and performance characteristics of flash lamp pumped Yb:YAG, Cr:Tm:Ho:YAG, Er:Tm:Ho:YLF laser sources and investigation of their potential biological applications,” SPIE-OSA 6633, 66331H, 66331H-7 (2007).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

R. M. Kuntz, “Current role of lasers in the treatment of benign prostatic hyperplasia (BPH),” Eur. Urol. 49(6), 961–969 (2006).
[Crossref] [PubMed]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

A. S. Kurkov, V. V. Dvoyrin, and A. V. Marakulin, “All-fiber 10 W holmium lasers pumped at lambda=1.15 microm,” Opt. Lett. 35(4), 490–492 (2010).
[Crossref] [PubMed]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

A. S. Kurkov, V. V. Dvoyrin, and A. V. Marakulin, “All-fiber 10 W holmium lasers pumped at lambda=1.15 microm,” Opt. Lett. 35(4), 490–492 (2010).
[Crossref] [PubMed]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

D. E. McCumber, “Theory of Phonon-Terminated Optical Masers,” Phys. Rev. 134(2A), A299–A306 (1964).
[Crossref]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

N. P. Barnes, K. E. Murray, and M. G. Jani, “Flash-lamp-pumped Ho:Tm:Cr:YAG and Ho:Tm:Er:YLF lasers: modeling of a single, long pulse length comparison,” Appl. Opt. 36(15), 3363–3374 (1997).
[Crossref] [PubMed]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

N. Karadimitriou, B. Klinkenberg, D. N. Papadopoulos, and A. A. Serafetinides, “Development and performance characteristics of flash lamp pumped Yb:YAG, Cr:Tm:Ho:YAG, Er:Tm:Ho:YLF laser sources and investigation of their potential biological applications,” SPIE-OSA 6633, 66331H, 66331H-7 (2007).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

G. Rustad and K. Stenersen, “Low threshold laser-diode side-pumped Tm:YAG and Tm:Ho:YAG lasers,” IEEE J. Sel. Top. Quant. 3(1), 82–89 (1997).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

N. Karadimitriou, B. Klinkenberg, D. N. Papadopoulos, and A. A. Serafetinides, “Development and performance characteristics of flash lamp pumped Yb:YAG, Cr:Tm:Ho:YAG, Er:Tm:Ho:YLF laser sources and investigation of their potential biological applications,” SPIE-OSA 6633, 66331H, 66331H-7 (2007).
[Crossref]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

G. Rustad and K. Stenersen, “Low threshold laser-diode side-pumped Tm:YAG and Tm:Ho:YAG lasers,” IEEE J. Sel. Top. Quant. 3(1), 82–89 (1997).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

S. Bigotta, A. Toncelli, M. Tonelli, E. Cavalli, and E. Bovero, “Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals,” Opt. Mater. 30(1), 129–131 (2007).
[Crossref]

X. L. Zou and H. Toratani, “Spectroscopic properties and energy transfers in Tm3+ singly- and Tm3+/Ho3+ doubly-doped glasses,” J. Non-Cryst. Solids 195(1-2), 113–124 (1996).
[Crossref]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

B. M. Walsh, N. P. Barnes, and B. P. Bartolo, “On the distribution of energy between the Tm 3F4 and Ho 5I7 manifolds in Tm-sensitized Ho luminescence,” J. Lumin. 75(2), 89–98 (1997).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

F. Tang, J. Q. Huang, W. Guo, W. C. Wang, B. J. Fei, and Y. G. Cao, “Photoluminescence and laser behavior of Yb:YAG ceramic,” Opt. Mater. 34(5), 757–760 (2012).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

G. A. Kumar, M. Pokhrel, D. K. Sardar, P. Samuel, K. I. Ueda, T. Yanagitani, and H. Yagi, “2.1 mum emission spectral properties of Tm and Ho doped transparent YAG ceramic,” Sci. Adv. Mater. 4(5), 617–622 (2012).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

K. J. Yang, H. Bromberger, H. Ruf, H. Schäfer, J. Neuhaus, T. Dekorsy, C. V. B. Grimm, M. Helm, K. Biermann, and H. Künzel, “Passively mode-locked Tm,Ho:YAG laser at 2 microm based on saturable absorption of intersubband transitions in quantum wells,” Opt. Express 18(7), 6537–6544 (2010).
[Crossref] [PubMed]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

C. Zaldo, M. J. Martin, R. Sole, M. Aguilo, F. Diaz, P. Roura, and M. Lopez de Miguel, “Optical spectroscopy of Ho3+ and Tm3+ ions in KTiOPO4 single crystals,” Opt. Mater. 10(1), 29–37 (1998).
[Crossref]

W. L. Gao, J. Ma, G. Q. Xie, J. Zhang, D. W. Luo, H. Yang, D. Y. Tang, J. Ma, P. Yuan, and L. J. Qian, “Highly efficient 2 μm Tm:YAG ceramic laser,” Opt. Lett. 37(6), 1076–1078 (2012).
[Crossref] [PubMed]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

H. Chen, D. Y. Shen, J. Zhang, H. Yang, D. Y. Tang, T. Zhao, and X. F. Yang, “In-band pumped highly efficient Ho:YAG ceramic laser with 21 W output power at 2097 nm,” Opt. Lett. 36(9), 1575–1577 (2011).
[Crossref] [PubMed]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

X. L. Zou and H. Toratani, “Spectroscopic properties and energy transfers in Tm3+ singly- and Tm3+/Ho3+ doubly-doped glasses,” J. Non-Cryst. Solids 195(1-2), 113–124 (1996).
[Crossref]

N. P. Barnes, K. E. Murray, and M. G. Jani, “Flash-lamp-pumped Ho:Tm:Cr:YAG and Ho:Tm:Er:YLF lasers: modeling of a single, long pulse length comparison,” Appl. Opt. 36(15), 3363–3374 (1997).
[Crossref] [PubMed]

J. Kong, D. Y. Tang, B. Zhao, J. Lu, K. Ueda, H. Yagi, and T. Yanagitani, “9.2-W diode-end-pumped Yb:Y2O3 ceramic laser,” Appl. Phys. Lett. 86(16), 161116 (2005).
[Crossref]

J. Dong, A. Shirakawa, K. I. Ueda, H. Yagi, T. Yanagitani, and A. A. Kaminskii, “Efficient Yb3+: Y3Al5O12 ceramic microchip lasers,” Appl. Phys. Lett. 89(9), 091114 (2006).
[Crossref]

J. Zhou, W. X. Zhang, T. D. Huang, L. A. Wang, J. Li, W. B. Liu, B. X. Jiang, Y. B. Pan, and J. K. Guo, “Optical properties of Er, Yb co-doped YAG transparent ceramics,” Ceram. Int. 37(2), 513–519 (2011).
[Crossref]

T. R. W. Herrmann, E. N. Liatsikos, U. Nagele, O. Traxer, A. S. Merseburger, and EAU Guidelines Panel on Lasers, Technologies, “EAU guidelines on laser technologies,” Eur. Urol. 61(4), 783–795 (2012).
[Crossref] [PubMed]

R. M. Kuntz, “Current role of lasers in the treatment of benign prostatic hyperplasia (BPH),” Eur. Urol. 49(6), 961–969 (2006).
[Crossref] [PubMed]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, “Spectroscopy and diode laser-pumped operation of Tm, Ho-Yag,” IEEE J. Quantum Electron. 24(6), 924–933 (1988).
[Crossref]

G. Rustad and K. Stenersen, “Low threshold laser-diode side-pumped Tm:YAG and Tm:Ho:YAG lasers,” IEEE J. Sel. Top. Quant. 3(1), 82–89 (1997).
[Crossref]

W. X. Zhang, J. Zhou, W. B. Liu, J. Li, L. Wang, B. X. Jiang, Y. B. Pan, X. J. Cheng, and J. Q. Xu, “Fabrication, properties and laser performance of Ho:YAG transparent ceramic,” J. Alloy. Comp. 506(2), 745–748 (2010).
[Crossref]

S. H. Lee, S. Kochawattana, G. L. Messing, J. Q. Dumm, G. Quarles, and V. Castillo, “Solid-state reactive sintering of transparent polycrystalline Nd:YAG ceramics,” J. Am. Ceram. Soc. 89(6), 1945–1950 (2006).
[Crossref]

Y. Kalisky, J. Kagan, D. Sagie, A. Brenier, C. Pedrini, and G. Boulon, “Spectroscopic properties, energy-transfer, and laser operation of pulsed holmium lasers,” J. Appl. Phys. 70(8), 4095–4100 (1991).
[Crossref]

D. L. Dexter, “A theory of sensitized luminescence in solids,” J. Chem. Phys. 21(5), 836 (1953).
[Crossref]

B. M. Walsh, N. P. Barnes, and B. P. Bartolo, “On the distribution of energy between the Tm 3F4 and Ho 5I7 manifolds in Tm-sensitized Ho luminescence,” J. Lumin. 75(2), 89–98 (1997).
[Crossref]

K. S. Lim, C. W. Lee, S. T. Kim, H. J. Seo, and C. D. Kim, “Infrared to visible up-conversion in Cr:Tm:Ho:YAG,” J. Lumin. 87-89(9), 1008–1010 (2000).
[Crossref]

B. J. Fei, J. Q. Huang, W. Guo, Q. F. Huang, J. Chen, F. Tang, W. C. Wang, and Y. G. Cao, “Spectroscopic properties and laser performance of Tm:YAG ceramics,” J. Lumin. 142, 189–195 (2013).
[Crossref]

X. L. Zou and H. Toratani, “Spectroscopic properties and energy transfers in Tm3+ singly- and Tm3+/Ho3+ doubly-doped glasses,” J. Non-Cryst. Solids 195(1-2), 113–124 (1996).
[Crossref]

S. A. Payne, L. K. Smith, W. L. Kway, J. B. Tassano, and W. F. Krupke, “The mechanism of Tm to Ho energy transfer in LiYF4,” J. Phys. Condens. Matter 4(44), 8525–8542 (1992).
[Crossref]

A. Ikesue and Y. L. Aung, “Ceramic laser materials,” Nat. Photonics 2(12), 721–727 (2008).
[Crossref]

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