Journal
OPTICS EXPRESS
Volume 26, Issue 19, Pages 24497-24505Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.26.024497
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Funding
- Presidium Program of the Russian Academy of Sciences [7]
- Competitiveness Program of the National Research Nuclear University (MEPhI) [02.a03.21.0005]
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Characteristics of an Fe:ZnSe laser with a new pump scheme were presented. An Fe:ZnSe crystal was placed inside the cavity of the Er:YLF laser pumped by a bar of laser diodes (LD) emitting at 975 nm. The high power 2.66 mu m wave similar to 50 ns pulses were generated inside the cavity due to passive Q-switching of the Er:YLF laser by an Fe:ZnSe saturated absorber. These pulses pumped the Fe:ZnSe laser. As a result, the pulses with an energy of similar to 2 mu J at a wavelength around 4 mu m and time duration of about 50 ns were generated. The laser operated in periodic-pulsed pump regime at room temperature with a repetition rate up to 200 Hz. The Q-switching pulse repetition rate during the pump pulse ran up to 2.5 kHz. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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