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Proceedings Paper

Mid-IR gain media based on transition metal-doped II-VI chalcogenides
Author(s): S. B. Mirov; V. V. Fedorov; D. V. Martyshkin; I. S. Moskalev; M. S. Mirov; O. Gafarov; A. Martinez; J. Peppers; V. Smolski; S. Vasilyev; V. Gapontsev
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Paper Abstract

Progress in fabrication and mid-IR lasing of Cr and Fe thermal-diffusion and radiation enhanced thermal diffusion doped II-VI binary and ternary polycrystals is reported. We demonstrate novel design of mid-IR Fe:ZnSe and Cr:ZnSe/S solid state lasers with significant improvement of output average power up to 35W@4.1 μm and 57W@2.5 μm and 20W@2.94 μm. We report significantly improved output characteristics of polycrystalline Cr:ZnS/Se lasers in gain-switched regime: 16 mJ at 200 Hz, pulse duration 5 ns with tunability over 2400-3000 nm as well as Kerr-Lens-Mode-Locked regime in terms of average power (up to 2 W), peak power and pulse energy (0.5 MW and 24 nJ, respectively), and pulse duration (less than 29 fs).

Paper Details

Date Published: 24 February 2016
PDF: 8 pages
Proc. SPIE 9744, Optical Components and Materials XIII, 97440A (24 February 2016); doi: 10.1117/12.2212822
Show Author Affiliations
S. B. Mirov, The Univ. of Alabama at Birmingham (United States)
IPG Photonics - Mid-Infrared Lasers (United States)
V. V. Fedorov, The Univ. of Alabama at Birmingham (United States)
IPG Photonics - Mid-Infrared Lasers (United States)
D. V. Martyshkin, The Univ. of Alabama at Birmingham (United States)
IPG Photonics - Mid-Infrared Lasers (United States)
I. S. Moskalev, IPG Photonics - Mid-Infrared Lasers (United States)
M. S. Mirov, IPG Photonics - Mid-Infrared Lasers (United States)
O. Gafarov, The Univ. of Alabama at Birmingham (United States)
A. Martinez, The Univ. of Alabama at Birmingham (United States)
J. Peppers, The Univ. of Alabama at Birmingham (United States)
V. Smolski, IPG Photonics - Mid-Infrared Lasers (United States)
S. Vasilyev, IPG Photonics - Mid-Infrared Lasers (United States)
V. Gapontsev, IPG Photonics Corp. (United States)


Published in SPIE Proceedings Vol. 9744:
Optical Components and Materials XIII
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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