Single-Longitudinal-Mode Laser at 1123 nm Based on a Twisted-Mode Cavity

Single-Longitudinal-Mode Laser at 1123 nm Based on a Twisted-Mode Cavity

A single-longitudinal-mode (SLM) Neodymiun-doped Yttrium Aluminium Garnet (Nd:YAG) laser at 1123 nm was first demonstrated with a twisted-mode (TM) cavity. By eliminating the spatial hole burning phenomenon, a stable SLM 1123 nm laser output was obtained. An efficient TM cavity was designed based on...

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Veröffentlicht in:Crystals (Basel) 2021-01, Vol.11 (1), p.58
Hauptverfasser: Liu, Yang, Zhang, Sasa, Cong, Zhenhua, Men, Shaojie, Guan, Chen, Xie, Yongyao, Liu, Zhaojun
Format: Artikel
Sprache:eng
Schlagworte:
1123 nm radiation
Aluminum
Efficiency
Energy conversion efficiency
high efficiency
Hole burning
Laser outputs
Lasers
Neodymium lasers
single longitudinal mode
twisted mode cavity
YAG lasers
Yttrium
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Zusammenfassung:A single-longitudinal-mode (SLM) Neodymiun-doped Yttrium Aluminium Garnet (Nd:YAG) laser at 1123 nm was first demonstrated with a twisted-mode (TM) cavity. By eliminating the spatial hole burning phenomenon, a stable SLM 1123 nm laser output was obtained. An efficient TM cavity was designed based on the Brewster plate with high reflection under s-polarization radiation. At an incident pump power of 7.65 W, the maximum output power of 689 mW was obtained. The corresponding optical conversion efficiency was about 9%. The center wavelength was 1122.58 nm and the line-width was
ISSN:2073-4352
2073-4352
DOI:10.3390/cryst11010058