FibDisp

Gas and fiber parameters Select gas Pressure (atm) Fiber length (cm) Radius (µm)

Pulse parameters Pulse shape Energy (mJ) TL FWHM (fs) Wavelength (nm) GDD (fs²) TOD (fs³)

Simulation parameters Points prop. axis z= Points time/freq 2ⁿ, n= ratio time/FWHM m=

The browser calculation uses the local CPU and RAM. Large FFT grids and sweeps can take appreciable time.

Propagation coefficients β₂ (fs²/m) β₃ (fs³/m) α (1/m) γ (1/(W·m))

Built-in gas: α is shown at the carrier. Manual: α is constant over the spectrum.

order min. freq (THz) max. freq (THz)

Spectral axis: THz nm

φ = p₀ + p₁ω + p₂/2 ω² + p₃/6 ω³ + …

coefficients: -

Applied GDD (fs²) Optimize for:

Spectral axis: THz nm

Output: -
After GDD: -
Transform limited: -

Run a propagation first, then apply or optimize GDD.

Parameter Min Max N values 0%

Spacing Base Compressor criterion

Preview

Plot

Spectral axis: THz nm

Compressed plots: Fixed GDD (fs²)

Uses current Settings and Phase Analysis fit settings; compressor criterion is selected here.

Parameter	Phase-fit GDD (fs²)	Optimized GDD (fs²)	Actual output FWHM (fs)	TL duration (fs)	Optimized duration (fs)	Grid warning