Chinese Optics Letters, 2015, 13 (5): 051402, Published Online: Sep. 20, 2018  

High power red laser generation by second harmonic generation with GTR-KTP crystal Download: 800次

Author Affiliations
State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
Abstract
In this Letter, a gray-tracking-resistant—potassium titanyl phosphate (GTR-KTP) crystal is used for intracavity frequency doubling red laser generation for the first time. Under the 808 nm LD pump power of 180 W, as high as 12.5 W of red laser output is obtained with the optimum repetition rate of 7 kHz. Within the red laser power variation range between the maximum to 70%, a temperature tolerance is measured to be 35°C. The results prove that GTR-KTP should be a potential nonlinear crystal for red laser generation.

Baitao Zhang, Jian Ning, Zhaowei Wang, Kezhen Han, Jingliang He. High power red laser generation by second harmonic generation with GTR-KTP crystal[J]. Chinese Optics Letters, 2015, 13(5): 051402.

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