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Chinese Optics  > 2025  > Accepted Manuscript
WANG Kang, WU Wen-jie, ZHANG Pei-xiong, YIN Hao, ZHU Si-qi, LI Zhen, CHEN Zhen-qiang. Broadband tunable operation of compact Yb:CGYA disordered crystal laser[J]. Chinese Optics. doi: 10.37188/CO.EN-2025-0029
Citation: WANG Kang, WU Wen-jie, ZHANG Pei-xiong, YIN Hao, ZHU Si-qi, LI Zhen, CHEN Zhen-qiang. Broadband tunable operation of compact Yb:CGYA disordered crystal laser[J]. Chinese Optics. doi: 10.37188/CO.EN-2025-0029
shu

Broadband tunable operation of compact Yb:CGYA disordered crystal laser

cstr: 32171.14.CO.EN-2025-0029
  • 1.

    International Collaborative Laboratory of 2D Materials for Optoelectronics Science & Technology, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China

  • 2.

    Guangdong Provincial Engineering Research Center of Crystal and Laser Technology, Guangzhou 510632, China

  • 3.

    Department of Optoelectronic Engineering, Jinan University, Guangzhou 510632, China

Funds:  National Natural Science Foundation of China (NSFC) (No. 12304478, No. 61935010, No. 51972149, No. 51872307, No. 51702124, No. 61975069); Guangdong Basic and Applied Basic Research Foundation (No. 2024A1515012152, No. 2022A1515010326); Key-Area Research and Development Program of Guangdong Province (No. 2020B090922006); Guangdong Project of Science and Technology Grants (No. 2018B030323017); Project of Science and Technology of Guangzhou Municipality (No. 202206010082, No. 201903010042, No. 201904010294)
More Information
  • Author Bio:

    WANG Kang (2002—), Guangdong, Master’s student, mainly engaged in continuous operation solid-state lasers as well as new fiber lasers. Email: kangwang2002@hotmail.com

    ZHU Si-qi (1985—), Guangdong, Ph.D., Master’s Supervisor. The research mainly involves the design of laser systems, laser physics and light-matter interaction. E-mail: tzhusiqi@jnu.edu.cn

  • Corresponding author: tzhusiqi@jnu.edu.cn
  • Received Date: 16 Apr 2025
  • Accepted Date: 12 Jun 2025
    • Available Online: 01 Jul 2025
    Abstract

  • A Yb:CaGd0.33Y0.625AlO4 (Yb:CGYA) laser crystal of high optical quality has been successfully synthesized via the Czochralski method. The introduction of Gd3+ ions preserves the original structure and efficiently generates inhomogeneous broadening of the Yb3+ ion emission spectra. The fluorescence emission peak wavelength of the Yb:CGYA crystal is 1053 nm, and the corresponding measured full width at half-maximum is 93 nm. A tunable laser output ranging from 1017 nm to 1073 nm is achieved by using a birefringent filter, which represents the broadest tuning range reported in a short cavity to date. The compact laser offers great advantages for its applications around 1 μm.

     

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