40  kHz, 20  ns acousto-optically Q-switched 4  µm Fe:ZnSe laser pumped by a fluoride fiber laser

An actively -switched mid-infrared Fe:ZnSe laser pumped by a continuous wave fluoride fiber laser has been developed. Stable operation with a pulse duration of 20 ns and a repetition rate of 40 kHz at 4 µm was achieved. The maximum peak power was 1.1 kW. The high-repetition rate, high-peak power nan...

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Bibliographic Details
Published in:Optics letters 2020-05, Vol.45 (10), p.2788-2791
Main Authors: Uehara, Hiyori, Tsunai, Takanori, Han, Bingyu, Goya, Kenji, Yasuhara, Ryo, Potemkin, Fedor, Kawanaka, Junji, Tokita, Shigeki
Format: Article
Language:English
Subjects:
Continuous fibers
Continuous radiation
Fiber lasers
Fluorides
Infrared lasers
Laser processing
Lasers
Light sources
Pulse duration
Pulsed lasers
Q switched lasers
Repetition
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Summary:An actively -switched mid-infrared Fe:ZnSe laser pumped by a continuous wave fluoride fiber laser has been developed. Stable operation with a pulse duration of 20 ns and a repetition rate of 40 kHz at 4 µm was achieved. The maximum peak power was 1.1 kW. The high-repetition rate, high-peak power nanosecond pulsed laser, which has been created for the first time, to the best of our knowledge, in an actively -switched Fe:ZnSe laser, should prove a suitable light source for laser processing and molecular sensing.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.391365