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Proceedings Paper

Slab laser mode control
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Paper Abstract

Each mode inside a rectangular slab-waveguide laser consists of four quasi plane waves propagating at small angles to its axis and inducing specific grating ofthe refractive index in the slab medium. Multimode operation of such laser is a superposition of single modes. Each mode can be spatially separated into two high quality lobes with M2 parameter near l . When geometry ofthe slab is controlled, high stability of a mode pattern can be obtained. This effect is particularly strong when extra single mode selection (for example Talbot filtering) is applied. The experimental evidences were performed on a RF excited CO2 slab-waveguide laser.

Paper Details

Date Published: 25 January 2001
PDF: 4 pages
Proc. SPIE 4184, XIII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (25 January 2001); doi: 10.1117/12.413974
Show Author Affiliations
Krzysztof M. Abramski, Wroclaw Univ. of Technology (Poland)
Edward F. Plinski, Wroclaw Univ. of Technology (Poland)
Jerzy S. Witkowski, Wroclaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 4184:
XIII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference
Antonio Lapucci; Marco Ciofini, Editor(s)

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