Tunable in the range of 4.5-6.8 µm room temperature single-crystal Fe:CdTe laser pumped by Fe:ZnSe laser

We report a laser operation from a Fe:CdTe single crystal, pumped by 40-ns pulses of a 4.12-µm Fe:ZnSe laser. The maximum output energy of 5.8 mJ was produced at 5.4 µm with 30% absorbed energy slope efficiency. A record 2300-nm-wide smooth and continuous wavelength tunability over 4.5-6.8 µm range...

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Bibliographic Details
Published in:Optics express 2020-06, Vol.28 (12), p.17449-17456
Main Authors: Frolov, Mikhail P., Korostelin, Yuri V., Kozlovsky, Vladimir I., Leonov, Stanislav O., Skasyrsky, Yan K.
Format: Article
Language:English
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Summary:We report a laser operation from a Fe:CdTe single crystal, pumped by 40-ns pulses of a 4.12-µm Fe:ZnSe laser. The maximum output energy of 5.8 mJ was produced at 5.4 µm with 30% absorbed energy slope efficiency. A record 2300-nm-wide smooth and continuous wavelength tunability over 4.5-6.8 µm range was demonstrated, being the longest wavelength tuning achieved for Fe 2+ -doped chalcogenide lasers. We also discuss the features of the oscillation spectra.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.394889