Abstract

The output power and efficiency of linearly polarized high power Nd:YAG lasers is limited by depolarization and bifocusing. Both effects degrade the beam quality and decrease the output power. In a single pass configuration, [100]- and [110]-cut crystals can be used to reduce the depolarization. Here, we compare [100]-, [110]- and [111]-cut crystals in an oscillator configuration. As expected it was possible to reduce the depolarization loss by using [100]-cut crystals in our configuration, while the depolarization loss was higher for [110]-cut crystals. The thermal lens establishing in these crystals is not circular, which can degrade beam quality in high power operation.

© 2011 OSA

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  1. W. Koechner and D. K. Rice, “Effect of birefringence on the performance of linearly polarized YAG:Nd lasers,” IEEE J. Quantum Electron. 6(9), 557–566 (1970).
    [CrossRef]
  2. M. P. Murdough and C. A. Denman, “Mode-volume and pump-power limitations in injection-locked TEM00 Nd:YAG rod lasers,” Appl. Opt. 35(30), 5925–5936 (1996).
    [CrossRef] [PubMed]
  3. Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
    [CrossRef]
  4. W. Koechner and D. K. Rice, “Birefringence of YAG:Nd laser rods as a function of growth direction,” J. Opt. Soc. Am. 61(6), 758–766 (1971).
    [CrossRef]
  5. L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
    [CrossRef]
  6. I. Shoji and T. Taira, “Intrinsic reduction of the depolarization loss in solid state lasers by use of a (110)-cut Y3Al5O12 crystal,” Appl. Phys. Lett. 80(17), 3048–3050 (2002).
    [CrossRef]
  7. I. Mukhin, O. Palashov, and E. Khazanov, “Reduction of thermally induced depolarization of laser radiation in [110] oriented cubic crystals,” Opt. Express 17(7), 5496–5501 (2009).
    [CrossRef] [PubMed]
  8. O. Puncken, H. Tünnermann, J. J. Morehead, P. Weßels, M. Frede, J. Neumann, and D. Kracht, “Intrinsic reduction of the depolarization in Nd:YAG crystals,” Opt. Express 18(19), 20461–20474 (2010).
    [CrossRef] [PubMed]
  9. W. Koechner, “Thermal lensing in a Nd:YAG laser rod,” Appl. Opt. 9(11), 2548–2553 (1970).
    [CrossRef] [PubMed]
  10. W. A. Clarkson, “Thermal effects and their mitigation in end-pumped solid-state lasers,” J. Phys. D Appl. Phys. 34(16), 2381–2395 (2001).
    [CrossRef]
  11. L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
    [CrossRef]

2011 (1)

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

2010 (1)

2009 (1)

2002 (1)

I. Shoji and T. Taira, “Intrinsic reduction of the depolarization loss in solid state lasers by use of a (110)-cut Y3Al5O12 crystal,” Appl. Phys. Lett. 80(17), 3048–3050 (2002).
[CrossRef]

2001 (1)

W. A. Clarkson, “Thermal effects and their mitigation in end-pumped solid-state lasers,” J. Phys. D Appl. Phys. 34(16), 2381–2395 (2001).
[CrossRef]

1996 (2)

M. P. Murdough and C. A. Denman, “Mode-volume and pump-power limitations in injection-locked TEM00 Nd:YAG rod lasers,” Appl. Opt. 35(30), 5925–5936 (1996).
[CrossRef] [PubMed]

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

1980 (1)

L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
[CrossRef]

1971 (1)

1970 (2)

W. Koechner and D. K. Rice, “Effect of birefringence on the performance of linearly polarized YAG:Nd lasers,” IEEE J. Quantum Electron. 6(9), 557–566 (1970).
[CrossRef]

W. Koechner, “Thermal lensing in a Nd:YAG laser rod,” Appl. Opt. 9(11), 2548–2553 (1970).
[CrossRef] [PubMed]

Bogan, C.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Clarkson, W. A.

W. A. Clarkson, “Thermal effects and their mitigation in end-pumped solid-state lasers,” J. Phys. D Appl. Phys. 34(16), 2381–2395 (2001).
[CrossRef]

Denman, C. A.

Dong, S.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Frede, M.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

O. Puncken, H. Tünnermann, J. J. Morehead, P. Weßels, M. Frede, J. Neumann, and D. Kracht, “Intrinsic reduction of the depolarization in Nd:YAG crystals,” Opt. Express 18(19), 20461–20474 (2010).
[CrossRef] [PubMed]

Khazanov, E.

Kluzik, R.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Koechner, W.

Kracht, D.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

O. Puncken, H. Tünnermann, J. J. Morehead, P. Weßels, M. Frede, J. Neumann, and D. Kracht, “Intrinsic reduction of the depolarization in Nd:YAG crystals,” Opt. Express 18(19), 20461–20474 (2010).
[CrossRef] [PubMed]

Kugler, N.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Kwee, P.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Lü, Q.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Morehead, J. J.

Mukhin, I.

Müller, N.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Murdough, M. P.

Neumann, J.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

O. Puncken, H. Tünnermann, J. J. Morehead, P. Weßels, M. Frede, J. Neumann, and D. Kracht, “Intrinsic reduction of the depolarization in Nd:YAG crystals,” Opt. Express 18(19), 20461–20474 (2010).
[CrossRef] [PubMed]

Palashov, O.

Poeld, J.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Puncken, O.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

O. Puncken, H. Tünnermann, J. J. Morehead, P. Weßels, M. Frede, J. Neumann, and D. Kracht, “Intrinsic reduction of the depolarization in Nd:YAG crystals,” Opt. Express 18(19), 20461–20474 (2010).
[CrossRef] [PubMed]

Rice, D. K.

W. Koechner and D. K. Rice, “Birefringence of YAG:Nd laser rods as a function of growth direction,” J. Opt. Soc. Am. 61(6), 758–766 (1971).
[CrossRef]

W. Koechner and D. K. Rice, “Effect of birefringence on the performance of linearly polarized YAG:Nd lasers,” IEEE J. Quantum Electron. 6(9), 557–566 (1970).
[CrossRef]

Shashkin, V. V.

L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
[CrossRef]

Shoji, I.

I. Shoji and T. Taira, “Intrinsic reduction of the depolarization loss in solid state lasers by use of a (110)-cut Y3Al5O12 crystal,” Appl. Phys. Lett. 80(17), 3048–3050 (2002).
[CrossRef]

Soms, L. N.

L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
[CrossRef]

Taira, T.

I. Shoji and T. Taira, “Intrinsic reduction of the depolarization loss in solid state lasers by use of a (110)-cut Y3Al5O12 crystal,” Appl. Phys. Lett. 80(17), 3048–3050 (2002).
[CrossRef]

Tarasov, A. A.

L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
[CrossRef]

Tünnermann, H.

Veltkamp, C.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Weber, H.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Wessels, P.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Weßels, P.

Willke, B.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Winkelmann, L.

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Wittrock, U.

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Appl. Opt. (2)

Appl. Phys. B (1)

L. Winkelmann, O. Puncken, R. Kluzik, C. Veltkamp, P. Kwee, J. Poeld, C. Bogan, B. Willke, M. Frede, J. Neumann, P. Wessels, and D. Kracht, “Injection-locked single-frequency laser with an output power of 220 W,” Appl. Phys. B 102(3), 529–538 (2011).
[CrossRef]

Appl. Phys. Lett. (1)

I. Shoji and T. Taira, “Intrinsic reduction of the depolarization loss in solid state lasers by use of a (110)-cut Y3Al5O12 crystal,” Appl. Phys. Lett. 80(17), 3048–3050 (2002).
[CrossRef]

IEEE J. Quantum Electron. (1)

W. Koechner and D. K. Rice, “Effect of birefringence on the performance of linearly polarized YAG:Nd lasers,” IEEE J. Quantum Electron. 6(9), 557–566 (1970).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Phys. D Appl. Phys. (1)

W. A. Clarkson, “Thermal effects and their mitigation in end-pumped solid-state lasers,” J. Phys. D Appl. Phys. 34(16), 2381–2395 (2001).
[CrossRef]

Opt. Express (2)

Opt. Quantum Electron. (1)

Q. Lü, N. Kugler, H. Weber, S. Dong, N. Müller, and U. Wittrock, “A novel approach for compensation of birefringence in cylindrical Nd: YAG rods,” Opt. Quantum Electron. 28(1), 57–69 (1996).
[CrossRef]

Sov. J. Quantum Electron. (1)

L. N. Soms, A. A. Tarasov, and V. V. Shashkin, “Problem of depolarization of linearly polarized light by a YAG:Nd3+ laser-active element under thermally induced birefringence conditions,” Sov. J. Quantum Electron. 10(3), 350–351 (1980).
[CrossRef]

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