Dichroic mirror for high power Nd:YAG laser
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abstract
The paper presents the design of a dichroic mirror used in a Nd:YAG high power laser to reflect the 1.44 m radiation and to transmit the 1.064 m one. In order to obtain a wide transmission band, all the solutions for matching basic stack with the substrate, consisting in a number of periods less or equal than three, were investigated and the best was selected. The solutions were obtained by analytical inversion of the equations for the three layer equivalent system.
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High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers