Laser performance of Ng-cut flash-lamp pumped Nd : KGW at high repetition rates
Yumashev, K. V. and Savitski, Vasili and Kuleshov, N. V. and Pavlyuk, A. A. and Molotkov, D. D. and Protasenya, A. L. (2007) Laser performance of Ng-cut flash-lamp pumped Nd : KGW at high repetition rates. Applied Physics B: Lasers and Optics, 89 (1). pp. 39-43. ISSN 0946-2171
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A comparative study of the flash-lamp pumped laser performance of standard b-grown Nd:KGW and Nd:KGW grown for propagation along the optical axis N-g is presented. The results show that, in comparison with b-grown crystal, the N-g-grown Nd:KGW is very promising for use at high repetition flash-lamp pumping rates. With the same laser cavity configuration, the N-g-grown Nd:KGW can operate at an average flash-lamp input power of at least 1.4 kW, while the b-cut one ceases lasing at average flash-lamp input power of similar to 0.5 kW. The reason for this is that the thermal lens induced in the N-g-oriented Nd:KGW rod under pump radiation is relatively weak, nearly spherical and positive, whereas the b-grown Nd:KGW rod acts as a quite weak positive lens for radiation with radial polarization, and as a much stronger negative lens for tangentially polarized radiation.
Creators(s): |
Yumashev, K. V., Savitski, Vasili ![]() | Item type: | Article |
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ID code: | 37374 |
Keywords: | potassium gadolinium tungstate, monoclinic KGD(WO4)(2), YAG, crystals, Optics. Light, Physics and Astronomy(all), Physics and Astronomy (miscellaneous) |
Subjects: | Science > Physics > Optics. Light |
Department: | Faculty of Science > Physics > Institute of Photonics |
Depositing user: | Pure Administrator |
Date deposited: | 03 Feb 2012 16:50 |
Last modified: | 20 Jan 2021 19:58 |
URI: | https://strathprints.strath.ac.uk/id/eprint/37374 |
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