Ultrafast Laser Pulse Duration and Bandwidth Simulator

Bi-directionnal “Bandwidth <--> Pulse Duration” Calculator

Laser Parameters

Pulse Shape Model

TBP Constant: 0.441 (Gaussian)

Center Wavelength ($\lambda_0$)

500 nm 2000 nm

Spectral Bandwidth ($\Delta\lambda$)

1.0 nm 300.0 nm

TL Duration ($\Delta\tau_{\text{TL}}$)

0.5 fs 100.0 fs

Enable GDD ($\beta_2$) from Material

Material Type

Material Length ($L$)

1 mm 100 mm

Calculated Material GDD

0 $\text{fs}^2$

($\beta_2$: 0.0 $\text{fs}^2/\text{mm}$)

GDD Input ($\text{fs}^2$)

fs²

0 fs² 5000 fs²

Represents uncompensated dispersion from optics or compressor misalignment. This value is **added** to any material dispersion.

Total Applied GDD (Material + Manual)

0 $\text{fs}^2$

Actual Pulse Duration

23.5 fs

Includes all applied dispersion.

Spectral Bandwidth ($\Delta\lambda$)

40.0 nm