Fiber-laser-pumped CW OPO for red, green, blue laser generation.
We report a CW, watt-level, red, green, and blue (RGB) laser pumped by an economical multimode (1-nm linewidth) Yb-fiber laser at 1.064 mum. A singly resonant optical parametric oscillator at 1.56 mum has two intracavity sum-frequency generators for red and blue laser generation. An extracavity second harmonic generator converts the residual pump power into green laser radiation. At 25-W pump power, the laser generated 3.9, 0.456, and 0.49 W at 633, 532, and 450 nm, respectively. The multimode pump laser offers a large temperature bandwidth for operating the RGB OPO without the need of a precision crystal temperature stabilizer.
Lin
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ST
Department of Electrical Engineering, National Tsinghua University, Institute of Photonics Technologies, Hsinchu, Taiwan. ychuang@ee.nthu.edu.tw
Lin
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Tu
R Y
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Wang
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Huang
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YC