Chemically reduced lithium compound-based Q-switch
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jul 23, 2015
app pub date -
Jan 7, 2015
filing date -
Jan 17, 2014
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Abstract
A method for manufacturing Q-switches includes coating a first Z-surface and second Z-surface of an oriented slab of a chemically reducible electro-optic lithium compound crystal (LC slab) with a condensed material including an active chemical operable once activated to chemically reduce the LC. The LC slab with condensed material thereon is heated in a non-oxidizing atmosphere at a temperature above an activating temperature of the condensed material. The LC slab is cooled to a temperature below a quenching temperature below which re-oxidization of the LN slab is inhibited. A finishing process is performed including cutting the LC slab of LC into a plurality of Q-switch devices each having a chemically reduced LC substrate, and forming metal electrodes on opposing sides of the LC substrates that are orthogonal to the Z-surfaces, and coating the Z-surfaces with an antireflective (AR) coating material.
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