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Diode-pumped Ba(NO3)2 and NaBrO3 Raman lasers |
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| Authors: | J Findeisen HJ Eichler P Peuser AA Kaminskii J Hulliger |
| Institution: | Optisches Institut, Technische Universit?t Berlin, Strasse des 17. Juni 135, D-10623 Berlin, Germany (Fax: +49-30/3142-6888, E-mail: eichler@physik.tu-berlin.de), DE DaimlerChrysler AG, Forschung und Technik, Box 800465, D-81663 München, Germany, DE Institute of Crystallography, Russian Academy of Sciences, Leninsky pr. 59, 117333 Moscow, Russia, RU Dpt. of Chemistry and Biochemistry, University of Berne, Freiestr. 3, CH-3012 Berne, Switzerland, CH |
| Abstract: | A Q-switched Nd:YAG laser transversely pumped with a 300-W quasi-cw diode generated pulses at 1.06 7m with intracavity energies of up to 10 mJ. Intracavity Raman shifting in a 60-mm-long Ba(NO3)2 crystal led to pulses with energies of 2.5 mJ at 1197 nm. The output pulse duration was reduced to 8.5 ns compared to 50 ns at the fundamental wavelength. Beam quality improvement was observed. A NaBrO3 Raman laser generated pulse energies of 0.4 mJ at 1163 nm with a crystal of only 18 mm length. The Raman radiation was frequency doubled into the yellow spectral region from 580 nm to 599 nm, which is difficult to reach with other solid-state lasers. |
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