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Compact, Efficient and Robust Ultraviolet Solid-State Laser Sources Based on Nonlinear Frequency Conversion in Periodically Poled Materials
Compact, Efficient and Robust Ultraviolet Solid-State Laser Sources Based on Nonlinear Frequency Conversion in Periodically Poled Materials
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机译:周期性极化材料中基于非线性频率转换的紧凑,高效且坚固的紫外固态激光源
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摘要
A compact and efficient ultraviolet laser source based on a optically-pumped solid-state or fiber laser that produces near-infrared output light suitable for nonlinear frequency conversion. The infrared laser output is frequency tripled or quadrupled to produce light in the ultraviolet wavelength range (200 nm to 400 nm). The novel technology is the use of highly efficient periodically poled nonlinear crystals, such as stoichiometric and MgO-doped lithium tantalate and lithium niobate. As opposed to conventional frequency-converted UV laser sources, which have high power consumption, high cost, and low efficiency, the laser sources of this invention utilize high efficiency nonlinear conversion provided by periodically poled materials and allow lower-cost architectures without additional focusing lenses, high power pump diodes, etc.
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