開放式課程>>工程學群>>超快光學>>第17講 Lesson 5: Correlation Measurements

第17講 Lesson 5: Correlation Measurements

L17_A 
        Lesson 5: Correlation Measurements
        5-2  Field autocorrelation (FA)
               Self‐gating by Michelson interferometer
               Field autocorrelation trace
               Example: TL pulse with two small side lobes
               How to retrieve G1 from IFA


L17_B
       
 Lesson 5: Correlation Measurements
        5-2  Field autocorrelation (FA)
               How to retrieve G1 from IFA
               Lack of spectral phase
                Lack of pulse asymmetry
               Cannot measure 100% duty cycle pulse train
               Need on‐line delay calibration
               Field cross‐correlation
                Field cross‐correlation trace


L17_C
        Lesson 5: Correlation Measurements
        5-2  Field autocorrelation (FA)
               Lack of spectral phase
               Lack of pulse asymmetry
               Cannot measure 100% duty cycle pulse train
                Need on‐line delay calibration
               Field cross‐correlation
               Field cross‐correlation trace
               Complete pulse retrieval –Time domain


L17_D
       
Lesson 5: Correlation Measurements
       5-2  Field autocorrelation (FA)
               Complete pulse retrieval –Freq. domain
               Limitations
       5-3  Intensity autocorrelation
               SHG formalism
               Schematic of nonlinear self‐gating
               Fringe‐resolved IA trace

 

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