Work

Orthogonally polarized dual-wavelength Sm:YAP orange laser with the balanced output power

Year: 2025

Type: article

Abstract: A diode-pumped continuous-wave (CW) orthogonally polarized dual-wavelength (OPDW) Sm: YAlO 3 (Sm: YAP) orange laser with the balanced output power (i.e. equal power for both wavelengths) on 4 G 5/2 → 6 H 7/2 transition was studied for the first time. We theoretically analyzed the condition of gain-to-loss balance via two intracavity etalons to achieve the OPDW operation, and experimentally demonstrated the OPDW orange laser in a Sm: YAP crystal. At an absorbed pump power of 9.0 W, the total balanced output power at 604 nm in b -polarization and 610 nm in c -polarization were 0.85 W. The corresponding total slope efficiency and optical-to-optical conversion efficiency with respect to the absorbed pump power were 11.4% and 9.4%, respectively. The CW OPDW Sm: YAP orange laser with the balanced output power was desirable for many fields, especially for the development of UV sources.

Source: Scientific Reports

DOI: 10.1038/s41598-025-15415-9

Authors: Chu Chu, Xinghua Yang, Shuang Wang, Changli Li, Jing Xia

Institutions: Harbin Engineering University, Changchun University of Science and Technology, Yunnan University

Language: English

Topic: Solid State Laser Technologies

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,690

Funders: Natural Science Foundation of Jilin Province, National Natural Science Foundation of China, People's Government of Jilin Province