Spatial Dispersion For Single Grating


This Calculator Will Help You To Calculate spatial dispersion for single grating

$\theta$ =$sin^{-1}(\frac{m \lambda}{d}-sin \gamma)$,   $D_0$ =$\frac{m}{d cos \theta}$

$D_l$ = $fD_{\theta}$,   $A=\frac{ L}{\lambda}(sin\gamma+sin\theta)$

$\delta\lambda= \frac{\lambda}{A}$

Laser Wavelength $\lambda$; Grating Incident Angle $\gamma$; Grating Reticle Density d;
Raster Width $f$; Grating Diffraction Order m; Focal Length $L$

Input
Laser Wavelength, $\lambda$:
nm
Grating Incident Angle, $\gamma$:
degrees (°)

Grating Reticle Density, d:
Line/mm
Grating Width, $f$:
mm

Grating Diffraction Order, m:

Focus Objective Lens Focal Length, $L$:
mm


Output
Grating diffraction Angle, $\theta$:
degrees (°)

Angular Resolution, $D_0$:
degrees (°)/nm

Line Resolution, $D_l$:
mm/nm
Colour Resolution, $A$:
degrees (°)

Resolution Spectrum, Half-value Width, $\delta \lambda$:
nm