Near-diffraction-limited diode end-pumped 2 <i>µ</i>m Tm:YAG Innoslab laser

Huang, H. K.; Liu, Pian; Li, Xuan; Wang, Hui; Jin, Lichuan; Shen, Deyuan

doi:10.1088/1612-202x/aa5d82

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2023

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Cited by 7 publications

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“…Tm has a strong and broad absorption band at ∼800 nm that is ideal for commercial diode pumping and benefits from an efficiency-enhancing crossrelaxation process that can lead to two ions in the upper laser level for one pump photon. Tm readily substitutes into many crystal hosts [4,5], e.g. YAP is one of the most commonly used and excellent hosts.…”

Section: Introductionmentioning

confidence: 99%

315 W, 1.94 μm, Tm:YAP InnoSlab laser

Mao¹,

Long²,

Gao³

et al. 2023

Laser Phys.

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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 μm. 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.

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Section: Introductionmentioning

confidence: 99%