Laser Beam Split by Diffraction Grating

Bildnummer 12017094
Laser Beam Split by Diffraction Grating
Laser beam split by a diffraction grating. Diffraction grating is an optical element whose properties are periodically modulated in one dimension. Light transmission through a diffraction grating occurs along discrete directions,called diffraction orders. Here two Helium-Neon lasers,red (632.8 nm) and green (543.4 nm),are used to observe the diffraction patterns from a diffraction grating with 50 lines/mm groove density. The spacing between diffraction orders is larger for longer (red) wavelength (top panel) compared to the shorter (green) wavelength (bottom panel)
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Giphotostock
Bildgröße: 5097 px × 5719 px
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