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Proceedings Paper

Progress in Cr and Fe doped ZnS/Se mid-IR CW and femtosecond lasers
Author(s): Sergey Vasilyev; Igor Moskalev; Mike Mirov; Viktor Smolski; Dmitry Martyshkin; Vladimir Fedorov; Sergey Mirov; Valentin Gapontsev
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Paper Abstract

This paper summarizes recent improvements of output characteristics of polycrystalline Cr:ZnS/Se master oscillators in Kerr-Lens-Mode-Locked regime. We developed a flexible design of femtosecond polycrystalline Cr:ZnS and Cr:ZnSe lasers and amplifiers in the spectral range 2–3 μm. We obtained few-optical-cycle pulses with multi-Watt average power in very broad range of repetition rates 0.08–1.2 GHz. We also report on efficient nonlinear frequency conversion directly in the polycrystalline gain elements of ultra-fast lasers and amplifiers. In this work we also report on recent progress in spinning ring gain element technology and report to the best of our knowledge the highest output power of 9.2 W Fe:ZnSe laser operating in CW regime at 4150nm.

Paper Details

Date Published: 8 May 2017
PDF: 9 pages
Proc. SPIE 10193, Ultrafast Bandgap Photonics II, 101930U (8 May 2017); doi: 10.1117/12.2264209
Show Author Affiliations
Sergey Vasilyev, IPG Photonics Corp. (United States)
Igor Moskalev, IPG Photonics Corp. (United States)
Mike Mirov, IPG Photonics Corp. (United States)
Viktor Smolski, IPG Photonics Corp. (United States)
Dmitry Martyshkin, IPG Photonics Corp. (United States)
The Univ. of Alabama at Birmingham (United States)
Vladimir Fedorov, IPG Photonics Corp. (United States)
The Univ. of Alabama at Birmingham (United States)
Sergey Mirov, IPG Photonics Corp. (United States)
The Univ. of Alabama at Birmingham (United States)
Valentin Gapontsev, IPG Photonics Corp. (United States)


Published in SPIE Proceedings Vol. 10193:
Ultrafast Bandgap Photonics II
Michael K. Rafailov, Editor(s)

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