单词 | optical parametric amplification |
释义 | optical parametric amplification [`äp·tǝ·kǝl ¦par·ǝ¦me·trik ´am·plǝ·fǝ`kā·shǝn] OPTICS A process in which a weak signal beam is amplified at the expense of an intense pump beam simultaneously incident on a nonlinear crystal. |
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