lecture3-超短脈沖的測(cè)量-在線瀏覽
2025-07-18 22:23本頁(yè)面
【正文】 minates input pulses and also any SH created by the individual input beams. Slow detector Mirror E(t) E(t–?) V d e t (? ) ? A (2 ) (? )Mirrors SHG crystal Lens 光電子技術(shù)精品課程 What if we use a collinear beam geometry, and allow the autocorrelator signal light to interfere with the SHG from each individual beam? Developed by JC Diels IA ( 2 ) (? ) ? [ E ( t ) ? E ( t ? ? )] 2 2 d t????IA ( 2 ) ( ? ) ? E 2 ( t ) ? E 2 ( t ? ? ) ? 2 E ( t ) E ( t ? ? ) 2 d t????Usual Autocor relation term New terms Also called the “FringeResolved Autocorrelation” Filter Slow detector SHG crystal E (t ) ? E (t ? ? )[ E (t ) ? E (t ? ? )] 2Lens Beam splitter Input
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