Effects of mirror expansions to obtain higher power from an unstable resonator

Kenzo Nanri; Tomoo Fujioka

doi:10.1117/12.253257

30 September 1996 Effects of mirror expansions to obtain higher power from an unstable resonator

Kenzo Nanri, Tomoo Fujioka

Proceedings Volume 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers; (1996) https://doi.org/10.1117/12.253257
Event: Photonics China '96, 1996, Beijing, China

Abstract

Effects of mirror expansions to obtain higher power from an unstable resonator are proposed. Calculations are performed for expanding radius of a concave or a convex mirror to reduce the diffraction loss power from the concave mirror and to convert the power spread out from it into the output power. The Fresnel-Kirchhoff formula is used for the iterative computer calculation in the passive resonator and a CO₂ laser. The calculations show that the increase of the output power can be obtained more than 25 percent with expanding the convex mirror in the CO₂ laser.

Citation Download Citation

Kenzo Nanri and Tomoo Fujioka "Effects of mirror expansions to obtain higher power from an unstable resonator", Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); https://doi.org/10.1117/12.253257

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