Journal
RESULTS IN PHYSICS
Volume 26, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.rinp.2021.104382
Keywords
Pr:YLF; Thermal effect; Gain switch; 604 nm; Room temperature
Funding
- National Natural Science Foundation of China [61905065, 61905061]
- Hebei Natural Science Foundation [F2019202467, F2019202337]
- Hebei Foundation for Returned Overseas Scholars [C20190177]
- Hebei Science & Technology Research Project [QN2019206]
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The study proposed a compact experimental scheme for generating high-energy 604 nm laser using Pr:YLF crystal at room temperature. Through simulation, it was demonstrated that high energy 604 nm laser can be generated with specific parameters. An experimental stable 604 nm orange laser with high pulse energy and short pulse duration was successfully developed using a pulsed 444 nm optical parametric oscillator as the pump source. This is the first report of such high-energy 604 nm laser at room temperature.
We proposed a compact experimental scheme for a low repetition rate, high-energy, nanosecond laser at 604 nm based on Pr: YLF crystal at room temperature. The thermal effect of Pr: YLF crystal was simulated, which demonstrated that high energy 604 nm laser line at room temperature can be generated with appropriate parameters such as crystal and the laser output coupling. Then a stable 604 nm orange laser pumped by a pulsed 444 nm optical parametric oscillator was developed experimentally. A high pulse energy of 63 mu J with 30 ns pulse duration at a repetition rate of 10 Hz was obtained. To the best of our knowledge, this is the first report of such a high-energy 604 nm laser using a gain switched pump source at room temperature.
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