Application of diffractive beam coupler in industrial CW CO2 laser resonators

S. V. Alekseev; Oleg Alexeyevic Novodvorsky; Rafael Ya. Sagdeev

doi:10.1117/12.171653

1 April 1994 Application of diffractive beam coupler in industrial CW CO2 laser resonators

S. V. Alekseev, Oleg Alexeyevic Novodvorsky, Rafael Ya. Sagdeev

Proceedings Volume 2257, Russia National Conference: Industrial Lasers and Laser Material Processing; (1994) https://doi.org/10.1117/12.171653
Event: Industrial Lasers and Laser Material Processing: Russian National Conference, 1993, Shatura, Moscow Region, Russian Federation

Abstract

The solution method of a diffraction problem for a multilayer diffraction structure enabling us to analyze the diffraction coupler (DC) with an efficiency of 80% in the first order is discussed. The DC of 62% efficiency in the first order has been manufactured by the photolithography method in conjunction with ion-beam surface treatment. A resonator with DC as an output mirror has been investigated experimentally. The beam output has been performed through the zero order of DC. The stepped change in generation in the range from 9.18 to 10.82 mm has been obtained. A condition for concurrent generation on several neighboring lines has been investigated.

Citation Download Citation

S. V. Alekseev, Oleg Alexeyevic Novodvorsky, and Rafael Ya. Sagdeev "Application of diffractive beam coupler in industrial CW CO2 laser resonators", Proc. SPIE 2257, Russia National Conference: Industrial Lasers and Laser Material Processing, (1 April 1994); https://doi.org/10.1117/12.171653

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