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Pulsed laser with displaceable non return system - with a non-return element having breakdown threshold much lower than other system components
Pulsed laser with displaceable non return system - with a non-return element having breakdown threshold much lower than other system components
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机译:带有可移动止回系统的脉冲激光器-止回阀的击穿阈值远低于其他系统组件
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摘要
Pulsed laser with a non-return system comprises a laser pulse generator providing =1 guiding luminous pulse, a non-return element placed in the path of the guided pulses transparent to the forward pulses, and a laser amplifier arranged to receive and amplify the pulses after leaving the non-return element and to transform them into power pulses. The non-return element is made of a matl. having a breakdown threshold w.r.t. the power of the laser beam below the lowest breakdown threshold of the components of the pulse generator, the matl. being selected from Ge, polyethylene glycol terephthalate, PTFE, and NaCl with the restriction that the matl. has no important absorption of the wave used. The non-return system is simple and safe. It does not necessitate an auxiliary laser, and optical and synchronisation systems as in prior art.
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