What is it about?
We report the efficient gain-switched high-repetition-rate Cr2:CdSe single-crystal laser operating around 3 μm and pumped at 2.09 μm by a fiber-laser-pumped Ho3:YAG laser. Average power of up to 6 W with the optical-to-optical efficiency of 67% at 2.65–2.85 μm was achieved in the Cr2:CdSe laser with nanosecond pulses at 8 kHz repetition rate. Wavelength tunability from 2.5 μm to 3.15 μm was demonstrated using a set of cavity mirrors and an intracavity Lyot filter.
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Why is it important?
Demonstrated high average power and efficiency of the Cr2:CdSe laser pave the way to its medical, industrial, and scientific applications, as well as application as a pump source for repetitively pulsed Fe2:ZnSe mid-IR lasers operating at room temperature.
Perspectives
Demonstrated high average power and efficiency of the Cr2:CdSe laser pave the way to its medical, industrial, and scientific applications, as well as application as a pump source for repetitively pulsed Fe2:ZnSe mid-IR lasers operating at room temperature.
Prof. Oleg L. Antipov
IAP RAS
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This page is a summary of: High-efficiency high-repetition-rate gain-switched operation around 3 μm in Cr2+:CdSe single-crystal laser pumped by fiber-laser-pumped Ho3+:YAG laser, Optics Letters, March 2019, Optical Society of America (OSA),
DOI: 10.1364/ol.44.001285.
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