315 W, 1.94 μm, Tm:YAP InnoSlab laser. (1st February 2023)

• Record Type: Journal Article
• Authors: Mao, Y F; Long, Q L; Gao, J M; Wang, Q C; Gao, Y; Wang, L
• Is Part Of: Laser physics. Volume 33:Number 2(2023)
• Publication Date: 2023-02-01
• Subjects: Tm:YAP slab -- b-cut -- plane-parallel resonator, 1.94 μm; Lasers -- Periodicals; 621.36605
• DOI: 10.1088/1555-6611/acaecb
• Languages: English
• ISSNs: 1054-660X

Abstract

Abstract: In this letter, a high power, continuous-wave Tm:YAP InnoSlab laser has been developed. It produces 315 W of laser output power with an emission wavelength of 1.94 μ m. The optical-to-optical efficiency and slope efficiency with respect to the absorbed pump power are 53.4% and 63.8%, respectively. At the output power of 300 W, the beam quality factors M 2 are 201 in the x -direction and 3 in the y -direction, respectively. The beam shape is rectangular, thus it is ideal for pumping a Ho:YLF laser crystal in InnoSlab design for oscillator and amplifier.