Thermal modeling of an external cavity diamond Raman laser

Jie Ding*, Yulan Li, Hui Chen, Yunpeng Cai, Zhenxu Bai, Yaoyao Qi, Bingzheng Yan, Yulei Wang, Zhiwei Lu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Thermal effects are some of the most significant factors limiting power scalability and beam quality of laser systems. In this work we examine both theoretically and experimentally, the degree by which thermal loading impacts the performance of an external cavity diamond Raman laser (DRL). Specifically, we formulate a model to study the temperature, thermal stress and thermal deformation that occurs within a diamond Raman medium in response to increasing levels of laser pumping. Experimentally, we demonstrate a DRL generating Stokes emission at 1240 nm with output power of up to 132 W and output beam quality of M2 = 1.1.

Original languageEnglish
Article number108578
Pages (from-to)1-8
Number of pages8
JournalOptics and Laser Technology
Volume156
DOIs
Publication statusPublished - Dec 2022

Keywords

  • Diamond Raman laser
  • Temperature
  • Thermal deformation
  • Thermal stress

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