echelle grating मीनिंग इन हिंदी

उदाहरण वाक्य

1. TRIPPEL is a Littrow spectrograph using a 79 grooves / mm echelle grating with a blaze angle of 63.43 degrees.
2. This ever so slightly changes what " angle " the light passes through a prism or bounces off a diffraction grating, such as the HARPS echelle grating.