Transverse pattern modifications in a stable apertured CO2 laser resonator

Boaz Lissak, Shiomo Ruschin

Research output: Contribution to journalConference articlepeer-review


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 languageEnglish
Pages (from-to)58-67
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1 Oct 1990
EventCO2 Lasers and Applications II 1990 - The Hague, Netherlands
Duration: 12 Mar 199016 Mar 1990


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