Abstract

High-power passively Q-switched microchip lasers produce 157-µJ pulses of 1-ns duration in a single-frequency, diffraction-limited output beam. The unfocused 1.064-µm output of these devices has been used to drive periodically poled lithium niobate optical parametric amplifiers at wavelengths between 1.4 and 4.3  µm. With a peak conversion efficiency of nearly 100%, these devices generate 100-kW, subnanosecond pulses in the mid IR, with a beam quality that is better than two times diffraction limited.

© 1997 Optical Society of America

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References

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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
  7. R. L. Byer, in Quantum Electronics: A Treatise, H. Rabin and C. L. Tang, eds. (Academic, New York, 1975), pp. 587–702.

1996 (3)

1995 (1)

1994 (1)

Bosenberg, W. R.

Byer, R. L.

L. E. Myers, R. C. Eckardt, M. M. Feyer, R. L. Byer, W. R. Bosenberg, and J. W. Pierce, J. Opt. Soc. Am. B 12, 2102 (1995).
[CrossRef]

R. L. Byer, in Quantum Electronics: A Treatise, H. Rabin and C. L. Tang, eds. (Academic, New York, 1975), pp. 587–702.

Dill, C.

Eckardt, R. C.

Feyer, M. M.

Jeys, T. H.

Myers, L. E.

Pierce, J. W.

Zayhowski, J. J.

J. J. Zayhowski, Opt. Lett. 21, 588 (1996).
[CrossRef] [PubMed]

J. J. Zayhowski, Laser Focus World 32(4), 73 (1996).

J. J. Zayhowski and C. Dill, Opt. Lett. 19, 1427 (1994).
[CrossRef] [PubMed]

J. J. Zayhowski, in Advanced Solid State Lasers, H. P. Jenssen and G. Dubé, eds., Vol. 6 of OSA Proceedings Series (Optical Society of America, Washingon, D.C., 1991), p. 9.

J. Opt. Soc. Am. B (1)

Laser Focus World (1)

J. J. Zayhowski, Laser Focus World 32(4), 73 (1996).

Opt. Lett. (3)

Other (2)

J. J. Zayhowski, in Advanced Solid State Lasers, H. P. Jenssen and G. Dubé, eds., Vol. 6 of OSA Proceedings Series (Optical Society of America, Washingon, D.C., 1991), p. 9.

R. L. Byer, in Quantum Electronics: A Treatise, H. Rabin and C. L. Tang, eds. (Academic, New York, 1975), pp. 587–702.

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Figures (2)

Fig. 1
Fig. 1

Experimental setup for optical parametric amplification of the output of a high-power passively Q-switched microchip laser using PPLN.

Fig. 2
Fig. 2

Top, 1.064-µm input to a PPLN OPA. Center, 1.064-µm light transmitted by the OPA. Bottom, sum of 1.59- and 3.22-µm light generated by the OPA. Fresnel losses have been subtracted from all traces. Oscillations on the trailing edges of the waveforms are due to the electrical ringing in the detector. The bandwidth of the detection system was 1  GHz.

Equations (3)

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KIp,t=12l ln4λsEs,thc2
K=8π2deff20cλsλinsninp
npλp-ni(λi)λi-ns(λs)λs-1Λ2-KIpπ2l21,

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