Characterization of high average power Nd:GGG slab lasers
Journal Article
·
· IEEE J. Quant. Electron.; (United States)
The authors present performance characteristics of zig-zag optical path Nd:GGG slab lasers. The sizes of the crystals are 6/sup t/ mm x 10/sup w/ mm x 100/sup l/ mm and 10/sup t/ mm x 18/sup w/ mm x 167/sup l/ mm. These crystal slabs were polished with surface flatness of lambda/5 (lambda = 6328 A), surface roughness of 8 A rms, and surface parallelism of 10 s. In normal mode oscillation, the authors have obtained average output powers of 45 W with the smaller slab and 145 W with the larger slab. In Q-switched operation, an average output power of 11 W has been obtained, with a pulse width of 10 ns and repetition rate of 20 Hz. Long operating life has been also achieved by suppressing solarization of the Nd:GGG crystal with UV-cutoff filters placed in the pumping cavity.
- Research Organization:
- Institute of Laser Engineering, Osaka Univ., Suita, Osaka 565 (JP)
- OSTI ID:
- 6905174
- Journal Information:
- IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. 24:6; ISSN IEJQA
- Country of Publication:
- United States
- Language:
- English
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