Multiple choice

Among the following --------------------- is used for frequency doubling diode pumped solid-state lasers.

  1. potassium titanyl phosphate

  2. potassium thiocyanate

  3. potassium hydrogenacetylenedicarboxylate

  4. deuterated potassium dihydrogen phosphate
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A Correct answer
Explanation

Potassium titanyl phosphate (KTiOPO4) or KTP is a non-linear optical material which is commonly used for frequency doubling diode pumped solid-state lasers such as Nd:YAG and other neodymium-doped lasers. The material has a relatively high optical damage threshold (~15 J/cm²), a great optical non linearity and excellent thermal stability in theory.

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