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