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INTERFEROMETER TO MEASURE DISPERSION
Michelson Interferometer response
Michelson Interferometer: sample testing sample Without sample: With sample: Ratio:
Michelson Interferometer: demonstration of a delayed response
Michelson Interferometer: sample testing Do we need short pulses? Can we test mirrors? We are measuring directly k( ) to all orders (except zero and one)
White light = random sequence of ultrashort pulses sample Michelson Interferometer: sample testing
Interferogram without sample, and its Fourier Transform
Interferogram with 0.5 mm of fused silica in arm 2.
Normalized Intensity (a.u.) Relative Delay ( m) Relative Delay (fs) Spectrum (1/fs) Spectral Amplitude (a.u.) Spectral Phase (rad) Phase Polynomial Fit Wavelength ( m) Interferogram for 2 mm of glass, spectrum and spectral phase.
Normalized Intensity (a.u.) Relative Delay ( m) Relative Delay (fs) b Spectral Phase (rad) (1/fs) 0.5 i ii Wavelength ( m) Interferogram, spectrum and spectral phase. Mirror testing:
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