Abstract

We have achieved 4.1W of 3.5-micron output from a non-critically phasematched (NCPM), type II, KTiOAsO4 (KTA) optical parametric oscillator (OPO) pumped within the cavity of a Q-switched diode-pumped Nd: YALO laser operating at 10kHz. We adopted the simplest configuration with a compact diode-pumped Nd: YALO module pumping the singly resonant KTA OPO. Besides 4.1W of 3.5um, 10.9W of 1.5 micron and 11.3W of 1-micron radiation were obtained simultaneously.

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References

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  1. E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, "High power conversion to mid-IR using KTP and ZGP OPOs," Advanced Solid State Lasers 1999, Technical Digest (Optical Society of America, Washington, D.C., 1999), pp. 358-361.
  2. P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E.P. Chicklis, "10W mid-IR Holmium pumped ZnGeP2 OPO," Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 226-229.
  3. P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9um-pumped Ho: YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
    [CrossRef]
  4. Larry R. Marshall, "Efficient multiwatt 2-5 �m tunable sources" CLEO 1996, Technical Digest, p 368-369.
  5. T. Debuisschert, J. Raffy, J. P. Pochelle, and M. Papuchon, "Intracavity optical parametric oscillator: study of the dynamics in pulsed regime," J. Opt. Soc. Am. B 13, 1569-1587 (1996).
    [CrossRef]
  6. S. Victori, A. Dubois, T. Lepine, P. Georges, and A. Brun, "High repetition rate intracavity optical parametric oscillator," CLEO/Europe 1998, Technical Digest, pp. 378.
  7. R. Lavi, A. Englander, and R. Lallouz, "Highly efficient low-threshold tunable all-solid-state intracavity optical parametric oscillator in the mid infrared," Opt. Lett. 21, 800-802 (1996).
    [CrossRef] [PubMed]
  8. Mark S. Webb, Peter F. Moulton, Jeffrey J. Kasinski, Ralph L. Burnham, Gabe Loiacono and Richard Stolzenberger, "High-average-power KtiOAsO4 optical parametric oscillator," Opt. Lett. 23, 1161-1163 (1998).
    [CrossRef]
  9. B. Ruffing, A. Nebel, R. Wallenstein, "A 20-W KTA-OPO synchronously pumped by a cw modelocked Nd:YVO4 oscillator-amplifier system," CLEO 1997, Technical Digest, CWB2, pp. 199.
  10. R.F. Wu, K.S. Lai, P.B. Phua, Y.L. Lim, Ernest Lau, W.J. Xie and H.F. Wong "A90-wattsQ-switched, diode-pumped Nd: YALO laser producing 21-watts of 2-�m intracavity OPO output," Digest of Advanced Solid State Lasers 2001 (Optical Society of America, Washington, D.C. 2001), pp. 25-27.

Other

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, "High power conversion to mid-IR using KTP and ZGP OPOs," Advanced Solid State Lasers 1999, Technical Digest (Optical Society of America, Washington, D.C., 1999), pp. 358-361.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E.P. Chicklis, "10W mid-IR Holmium pumped ZnGeP2 OPO," Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 226-229.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9um-pumped Ho: YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

Larry R. Marshall, "Efficient multiwatt 2-5 �m tunable sources" CLEO 1996, Technical Digest, p 368-369.

T. Debuisschert, J. Raffy, J. P. Pochelle, and M. Papuchon, "Intracavity optical parametric oscillator: study of the dynamics in pulsed regime," J. Opt. Soc. Am. B 13, 1569-1587 (1996).
[CrossRef]

S. Victori, A. Dubois, T. Lepine, P. Georges, and A. Brun, "High repetition rate intracavity optical parametric oscillator," CLEO/Europe 1998, Technical Digest, pp. 378.

R. Lavi, A. Englander, and R. Lallouz, "Highly efficient low-threshold tunable all-solid-state intracavity optical parametric oscillator in the mid infrared," Opt. Lett. 21, 800-802 (1996).
[CrossRef] [PubMed]

Mark S. Webb, Peter F. Moulton, Jeffrey J. Kasinski, Ralph L. Burnham, Gabe Loiacono and Richard Stolzenberger, "High-average-power KtiOAsO4 optical parametric oscillator," Opt. Lett. 23, 1161-1163 (1998).
[CrossRef]

B. Ruffing, A. Nebel, R. Wallenstein, "A 20-W KTA-OPO synchronously pumped by a cw modelocked Nd:YVO4 oscillator-amplifier system," CLEO 1997, Technical Digest, CWB2, pp. 199.

R.F. Wu, K.S. Lai, P.B. Phua, Y.L. Lim, Ernest Lau, W.J. Xie and H.F. Wong "A90-wattsQ-switched, diode-pumped Nd: YALO laser producing 21-watts of 2-�m intracavity OPO output," Digest of Advanced Solid State Lasers 2001 (Optical Society of America, Washington, D.C. 2001), pp. 25-27.

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Figures (4)

Fig. 1:
Fig. 1:

Schematic diagram of intracavity NCPM KTA OPO, where M1 is the HR mirror for 1-µm laser and output coupler for KTA OPO, M2 is the output coupler for 1-µm laser and M3 is the HR mirror for KTA OPO.

Fig. 2:
Fig. 2:

1-µm laser average output power and pulsewidth versus A-O Q-switch repetition rate, obtained using an R=80% output coupler.

Fig. 3:
Fig. 3:

Average output power of 1.5-µm and 3.5-µm from NCPM KTA OPO, together with 1-µm laser output power versus diode pump power.

Fig. 4:
Fig. 4:

Average output power of 1.5-µm and 3.5-µm from NCPM KTA OPO, together with 1-µm laser output power versus A-O Q-switch repetition rate.

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