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2017•Unpublished venueRequires access

A 13.8-W, high-efficiency, α-cut Tm, Ho:YAP laser pumped by two laser diodes

Linjun Li, Xining Yang, Guangchao Ye, Long Zhou, Yunfeng Bai

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Abstract

We report a high-power, high-efficiency Tm, Ho:YAlO3(Tm, Ho:YAP) laser pumped by two laser diodes. The Tm (5 at.%) and Ho (0.5 at.%):YAP crystal is cut along the a axes, and the resulting crystals are measured 4 × 4 × 8 mm3. The laser crystal is double end-pumped by two 18.0-W fiber-coupled laser diodes at 793.6 nm, and the output power of the Tm, Ho:YAP laser is 13.8W in continuous wave (CW) mode operation. An optical-optical conversion efficiency of 38.3% is acquired, corresponding to a slope efficiency of 40.6%.

About this research paper

What this paper is about

We report a high-power, high-efficiency Tm, Ho:YAlO3(Tm, Ho:YAP) laser pumped by two laser diodes. The Tm (5 at.%) and Ho (0.5 at.%):YAP crystal is cut along the a axes, and the resulting crystals are measured 4 × 4 × 8 mm3. The laser crystal is double end-pumped by two 18.0-W fiber-coupled laser diodes at 793.6 nm, and the output power of the Tm, Ho:YAP laser is 13.8W in continuous wave (CW) mode operation. An optical-optical conversion efficiency of 38.3% is acquired, corresponding to a slope efficiency of 40.6%.

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Available abstract

We report a high-power, high-efficiency Tm, Ho:YAlO3(Tm, Ho:YAP) laser pumped by two laser diodes. The Tm (5 at.%) and Ho (0.5 at.%):YAP crystal is cut along the a axes, and the resulting crystals are measured 4 × 4 × 8 mm3. The laser crystal is double end-pumped by two 18.0-W fiber-coupled laser diodes at 793.6 nm, and the output power of the Tm, Ho:YAP laser is 13.8W in continuous wave (CW) mode operation. An optical-optical conversion efficiency of 38.3% is acquired, corresponding to a slope efficiency of 40.6%.

Key concepts: Laser, Diode, Slope efficiency, Materials science, Crystal (programming language), Energy conversion efficiency, Optics, Continuous wave

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A 13.8-W, high-efficiency, α-cut Tm, Ho:YAP laser pumped by two laser diodes — Research Paper | ScholarLens