Pulse length-bandwidth converter

Wavelength \( \lambda_0 \)
nm
Bandwidth \( \Delta\lambda \) [FWHM]
nm

Wavenumber \( k_0 \)
cm⁻¹
Bandwidth \( \Delta k \) [FWHM]
cm⁻¹
Time-bandwidth product
Pulse length [FWHM]
fs
Gaussian sech Lorentzian
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