Fast Fourier transform (FFT) analysis of CO laser beam mode based on personal computer (PC) and workstation

Mitsuhiro Iyoda; Hidetoshi Okaya; Mamoru Akiyama; Manabu Taniwaki; Shunichi Sato

doi:10.1117/12.204909

31 March 1995 Fast Fourier transform (FFT) analysis of CO laser beam mode based on personal computer (PC) and workstation

Mitsuhiro Iyoda, Hidetoshi Okaya, Mamoru Akiyama, Manabu Taniwaki, Shunichi Sato

Author Affiliations +

Proceedings Volume 2502, Gas Flow and Chemical Lasers: Tenth International Symposium; (1995) https://doi.org/10.1117/12.204909
Event: Gas Flow and Chemical Lasers: Tenth International Symposium, 1994, Friedrichshafen, Germany

Abstract

Computer models have been developed for the beam mode analysis of CO laser. The models are improved from the authors' previous one which was deduced from asymptotic method. In order to analyze by the variety of PCs (personal computers) and workstations, two types of computer codes have been developed. The compact code is described in language C, which can be compiled by most of PCs. The simple code is described in Mathematica, of which high- level mathematical functions are useful. Both codes are carried out under the same conditions and compared.

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Mitsuhiro Iyoda, Hidetoshi Okaya, Mamoru Akiyama, Manabu Taniwaki, and Shunichi Sato "Fast Fourier transform (FFT) analysis of CO laser beam mode based on personal computer (PC) and workstation", Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); https://doi.org/10.1117/12.204909

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KEYWORDS

Gas lasers

Computer simulations

Fourier transforms

Beam analyzers

Beam propagation method

Electronic filtering

Optical filters

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