Ultrafast Pulse Dispersion Analyzer
© 2025
VisuPhy
About and discussion
Source
Original Author
Hussein-Tofaili
Other Contributors
none
Parameters
Spectrum Definition
Gaussian Spectrum
Sech² Spectrum
Import From File
Center Wavelength \(\lambda_0\) (nm):
Bandwidth \(\Delta\lambda\) (nm, Intensity FWHM):
Spectrum File (CSV/TXT):
Delimiter:
Skip Rows (Header):
X (Wavelength) Multiplier:
X (Wavelength) Exponent:
Cropping Window Size (N x FWHM):
Note: For imported files, λ₀ and Δλ are derived from the data; fields above are ignored.
Spectral Phase
\(\phi_0\) (rad) - Carrier-Envelope Phase (CEP):
\(\phi_1\) (fs) - Group Delay (GD):
\(\phi_2\) (fs²) - Group Delay Dispersion (GDD):
\(\phi_3\) (fs³) - Third-Order Dispersion (TOD):
\(\phi_4\) (fs⁴) - Fourth-Order Dispersion (FOD):
Simulation Grid & Plotting
Grid Size N (2^Exponent):
Frequency Window Factor:
Automatic time-domain range
Time Min (fs):
Time Max (fs):
Calculate and Plot
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Results
Spectral Domain
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Time Domain
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Intensity Autocorrelation
Plot will appear here