Transverse pattern modifications in a stable apertured CO2 laser resonator

Boaz Lissak; Shiomo Ruschin

doi:10.1117/12.20532

Transverse pattern modifications in a stable apertured CO₂ laser resonator

Boaz Lissak, Shiomo Ruschin

School of Electrical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

The effects of hard apertures on the transversal mode distribu-tion and on the output near and far field distributions are investig-ated both theoretically and experimentally. Wavefronts propagating in different directions inside a C02 laser cavity were measured at the same plane and found to have different transversal amplitude prof 1-les. The influence of intracavity aperture's location and diameter on the near field distribution and on far field beam quality were measured and calculated. Quantitative figures of merit are introduced to evaluate the departure of the transversal mode patterns from ideal gaussians.

Original language	English
Pages (from-to)	58-67
Number of pages	10
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	1276
DOIs	https://doi.org/10.1117/12.20532
State	Published - 1 Oct 1990
Event	CO2 Lasers and Applications II 1990 - The Hague, Netherlands Duration: 12 Mar 1990 → 16 Mar 1990

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Transverse pattern modifications in a stable apertured CO₂ laser resonator

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