Diode- and flashlamp-pumped solid state Raman lasers

Pavel Cerny; Helena Jelinkova; Jan Karol Jabczynski; Waldemar Zendzian; Jan Sulc

doi:10.1117/12.515810

10 November 2003 Diode- and flashlamp-pumped solid state Raman lasers

Pavel Cerny, Helena Jelinkova, Jan Karol Jabczynski, Waldemar Zendzian, Jan Sulc

Proceedings Volume 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2003) https://doi.org/10.1117/12.515810
Event: XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2002, Wroclow, Poland

Abstract

We report on the development of passively Q-switched Nd:YAG and Nd:YAP lasers with solid-state stimulated Raman scattering (SRS) frequency conversion to 1.2-μm. A new barium tungstate (BaWO₄) crystal was investigated as nonlinear converter. Diode pumped Nd:YAG quasi-continuous-wave slab laser, operated at 14-Hz repetition rate, was passively Q-switched by a Cr⁴⁺:YAG crystal. A three-mirror linear laser cavity with BaWO₄ crystal produced the maximal Raman-shifted output pulse energy of 2.3 mJ. The first Stokes output energy was 1.5 mJ corresponding to 0.4 MW peak power. The SRS conversion efficiency with respect to laser operation at the fundamental wavelength was estimated to 55%. Flashlamp-pumped Nd:YAP laser was passively Q-switched by a BDN II thin film and the repetition rate was 2 Hz. The maximal first Stokes output energy was 12 mJ and the pulse peak power was 1.7 MW. Solid state Raman laser technology can therefore be employed to reach new laser output wavelengths using simple, reliable, and compact arrangements with a use of well-developed Nd-doped host lasers.

Citation Download Citation

Pavel Cerny, Helena Jelinkova, Jan Karol Jabczynski, Waldemar Zendzian, and Jan Sulc "Diode- and flashlamp-pumped solid state Raman lasers", Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); https://doi.org/10.1117/12.515810

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