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4 April 1997 Comparison of beam quality parameters of two high-peak-power eximer laser beams
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Proceedings Volume 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1997) https://doi.org/10.1117/12.270259
Event: XI International Symposium on Gas Flow and Chemical Lasers and High Power Laser Conference, 1996, Edinburgh, United Kingdom
Abstract
A comparison is made between the beam quality parameter M2 and a new times-diffraction-limit-factor (TDL) for two high peak power XeCl lasers. The laser systems, equipped with unstable resonators, emit beams with different geometrical characteristic and optical quality. The results show that the M2-factor is always larger than the TDL value and this discrepancy increases if the beam is almost diffraction- limited. A novel method to obtain the far-field profile of coherent superGaussian-like beams and a simple technique to estimate the beam angular stability of a pulsed laser are also presented.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sarah Bollanti, Paolo Di Lazzaro, Francesco Flora, Gualtiero Giordano, Tommaso Letardi, Giovanni Schina, Daniele Murra, C. Petrucci, Olivier P. Uteza, and Cheng En Zheng "Comparison of beam quality parameters of two high-peak-power eximer laser beams", Proc. SPIE 3092, XI International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (4 April 1997); https://doi.org/10.1117/12.270259
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