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Compact high-power red-green-blue laser light source generation from a single lithium tantalate with cascaded domain
1National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, People's Republic of China. pingxu520@nju.edu.cn
Abstract:
1W quasi-white-light source has been generated from a single lithium tantalate with cascaded domain modulation. The quasi-white-light is combined by proper proportion of the red, green and blue laser light. The red and the blue result from a compact self-sum frequency optical parametric oscillation when pumped by a single green laser. The efficiency of quasi-white-light from the green pump reaches 27%. This compact design can be employed not only as a stable and powerful RGB light source but also an effective blue laser generator.
