Chinese Optics Letters, Volume. 7, Issue 6, 06502(2009)
1.9-W flash-lamp-pumped solid-state 266-nm ultraviolet laser
Deep ultraviolet lasers have various applications in industries and scientific researches. For 266-nm ultraviolet (UV) laser generation, the good beam quality of 1064-nm laser and the elimination of gray-tracking effect of KTP crystal are two key factors. Using a dynamically stable resonator design, 1064-nm laser with an average power of 52 W is realized with repetition rate of 16 kHz. The measured M2 factor characterizing the beam quality is 1.5. By the elimination of gray-tracking effect of KTP crystal, an 18-W green laser is realized with the M2 factor of 1.6. Using a BBO crystal for the fourth harmonic generation, a 1.9-W 266-nm UV laser is achieved.
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Zhen Xiang, Jianhong Ge, Zhigang Zhao, Sha Wang, Chong Liu, Jun Chen. 1.9-W flash-lamp-pumped solid-state 266-nm ultraviolet laser[J]. Chinese Optics Letters, 2009, 7(6): 06502
Received: Feb. 17, 2009
Accepted: --
Published Online: Jun. 8, 2009
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