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单词 Optical parametric amplifier
释义

Optical parametric amplifier

英语百科

Optical parametric amplifier

An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification process. It is essentially the same as an optical parametric oscillator, but without the optical cavity (i.e., the light beams pass through the apparatus just once or twice, rather than many many times).

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