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Proceedings Paper

Feedback from an amplifier into an unstable resonator
Author(s): Alan H. Paxton; Robert Bruce Michie; Dushan Mitrovich
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Paper Abstract

An oscillator-amplifier configuration is described in which the amplifier's spontaneous emission (ASE) feeds partially collimated light from the amplifier into the oscillator that is driving it. The resonator is confocal, and its axis is decentered so that the output is shifted laterally. The partial collimation of the input light causes a buildup of ASE in the resonator so that a small amount of power entering it can have a significant effect on the beam quality of the output.

Paper Details

Date Published: 13 August 1993
PDF: 8 pages
Proc. SPIE 1868, Laser Resonators and Coherent Optics: Modeling, Technology, and Applications, (13 August 1993); doi: 10.1117/12.150604
Show Author Affiliations
Alan H. Paxton, Mission Research Corp. (United States)
Robert Bruce Michie, Mission Research Corp. (United States)
Dushan Mitrovich, Mission Research Corp. (United States)


Published in SPIE Proceedings Vol. 1868:
Laser Resonators and Coherent Optics: Modeling, Technology, and Applications
Anup Bhowmik, Editor(s)

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