Tunable blue-green vortex pulse laser emitting from an optical parametric oscillator

被引：0
|
作者：
Luo, Qihui [1 ,2 ,4 ]
Ma, Jian [1 ,2 ,4 ]
Chen, Yilan [3 ]
Lu, Tingting [1 ,2 ,4 ]
Zhang, Junxuan [1 ,2 ,4 ]
Ma, Haoda [1 ,2 ,4 ]
Zhu, Xiaolei [1 ,2 ,4 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Space Laser Commun & Detect Technol, 390 Qinghe Rd, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Jiangsu Univ Sci & Technol, Coll Automat, Zhenjiang 212114, Jiangsu, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Aerosp Laser Technol & Syst Dept, Shanghai 201800, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2025年 / 575卷
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Optical vortex; Blue-green laser; Optical parametric oscillator; Wavelength tuning; ORBITAL ANGULAR-MOMENTUM; DIRECT GENERATION; TRANSMISSION; WAVELENGTH; TWEEZERS; LIGHT; BEAMS;
D O I：
10.1016/j.optcom.2024.131298
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A tunable blue-green vortex laser within a spectrum range of 476 nm-525 nm was firstly demonstrated from a (3-Ba2BO4 (BBO) optical parametric oscillator (OPO), pumped by 355 nm vortex pulsed laser operating at 100 Hz repetition rate. The maximum output signal vortex pulse energy of 0.55 mJ at 495 nm wavelength was obtained, corresponding to a conversion efficiency of 14.2%. The transformation process of signal laser from a vortex beam to a Gaussian beam was illustrated by changing the curvature radius of the output mirror.
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页数：6
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