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Proceedings Paper

Single mode, diffraction-limited operation of a zig-zag dye laser
Author(s): Daniel E. Klimek; Alexander E. Mandl
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Paper Abstract

Operation of a laser pumped zig-zag dye laser for pulse lengths > 1 microsecond(s) with beam quality close to the diffraction limit are presented in this paper. Laser efficiency measurements performed with a stable cavity had outputs of greater than 1.7 J at 568 nm using Pyrromethene-567 dye. The intrinsic laser efficiency was 55% with a slope efficiency of 77%. Single longitudinal mode operation was achieved using an unstable resonator with intracavity etalons and seeding with a single mode Kr-ion laser operating at 568 nm. A linear optical cavity using counter- propagating orthogonally polarized waves was used. Heterodyne measurements were used to determine that the bandwidth was near the transform limit with the frequency chirping at a rate approximately equals 60 MHz/microsecond(s) . Far field measurements of the beam quality indicated close to diffraction limited output.

Paper Details

Date Published: 17 April 1995
PDF: 8 pages
Proc. SPIE 2380, UV and Visible Lasers and Laser Crystal Growth, (17 April 1995); doi: 10.1117/12.206956
Show Author Affiliations
Daniel E. Klimek, Textron Defense Systems (United States)
Alexander E. Mandl, Textron Defense Systems (United States)

Published in SPIE Proceedings Vol. 2380:
UV and Visible Lasers and Laser Crystal Growth
Richard Scheps; Milan R. Kokta, Editor(s)

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