Journal
OPTICS COMMUNICATIONS
Volume 521, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2022.128595
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Funding
- National Fund Project of China [61505012]
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This paper reports the achievement of single-frequency laser output in the deep red light wavelength band using double Fabry-Perot cavity and Pr: YLF crystal. By selecting an appropriate thickness of the F-P cavity, the solid-state laser achieved satisfactory output power and efficiency, laying a foundation for the application of SLM deep red laser.
This paper reports the single-longitudinal-mode (SLM) laser output of Pr: YLF at 721.2 nm by inserting doubleFabry-Perot(F-P) etalons into the cavity. We use the correlation rate equation model to simulate the laseroutput characteristics and combine the results to design and conduct experimental research. By selecting theF-P etalon with appropriate thickness, when the maximum absorbed pump power is 2605 mW, this SLM solid-state laser achieved a maximum output power of 509 mW. The slope efficiency is 20.8%, and the optical-opticalconversion efficiency is 19.5%. The emission spectrum has a linewidth of about 50 MHz. This study is the firsttime that Pr: YLF crystal has achieved single-frequency laser output in the band of deep red light by the doubleF-P etalons mode selection method. It lays a foundation for the broad application of SLM deep red laser
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