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Proceedings Paper

New Cr4+ laser materials for the near infrared
Author(s): Alphan Sennaroglu; Clifford R. Pollock; Howard Nathel; Jennifer Mass; James Burlitch; Steve Margraf; Rudiger Dieckmann
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Paper Abstract

Cr4+ doped in forsterite and YAG form broadly tunable lasers in the 1.2-1.6 micrometers region. These lasers can operation cw with output powers up to 2W, they re both pumped with the 1.06 micrometers output of a Nd:YAG laser, and they can both be modelocked to produce femtosecond pulses. We report on the latest results from these lasers, including self-modelocked operation of the Cr:YAG laser at 1.52 micrometers , with 120 femtosecond pulses, and with 480 mW output power. Both lasers are significantly affected by temperature: output power decreases with increasing temperature. Attempts to find a new host lattice for Cr4+ which does not have the deleterious temperature sensitivity of forsterite of YAG have not led to any breakthroughs.

Paper Details

Date Published: 3 June 1994
PDF: 13 pages
Proc. SPIE 2216, Photonics at the Air Force Photonics Center, (3 June 1994); doi: 10.1117/12.177324
Show Author Affiliations
Alphan Sennaroglu, Cornell Univ. (United States)
Clifford R. Pollock, Cornell Univ. (United States)
Howard Nathel, Lawrence Livermore National Lab. (United States)
Jennifer Mass, Cornell Univ. (United States)
James Burlitch, Cornell Univ. (United States)
Steve Margraf, Cornell Univ. (United States)
Rudiger Dieckmann, Cornell Univ. (United States)


Published in SPIE Proceedings Vol. 2216:
Photonics at the Air Force Photonics Center
Andrew R. Pirich; Paul Sierak, Editor(s)

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