![]() ![]() However, a transmissive grating contains transmissive or hollow slits on the surface. In typical applications, a reflective grating contains ridges or rulings on the surface. However, there are some other possible applications as well, which include optical encoders for high precision motion control and wave-front measurement. Therefore, we can use it as a monochromator and as a spectrometer. The grating system can act as a dispersive element. Diffraction angles depend mainly on the wave incident angle, space between adjacent diffracting elements on the grating system, and wavelength of the incident light.įigure 01: An Incandescent Light Bulb that is Viewed through a Transmissive Diffraction Grating ![]() This grating system can result in a color in the form of a structure coloration. These different directions are associated with different diffraction angles. ![]() Summary – Diffraction Grating vs Transmission Grating What is Diffraction Grating?Ī diffraction grating is an optical component having a periodic structure that can diffract light into several beams that tends to travel in different directions. Diffraction Grating vs Transmission Grating in Tabular Formĥ. Therefore, transmission gratings are a type of diffraction gratings. These include ruled gratings, holographic gratings, transmission gratings, and reflection gratings. There are four major types of diffraction gratings. The key difference between diffraction grating and transmission grating is that diffraction gratings can separate polychromatic light into its constituent wavelengths, whereas transmission gratings are a type of diffraction gratings that involves diffraction of light in different angles to give a diffraction pattern. ![]()
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