Technician producing interference gratings. Here,a laser beam is being divided and then recombined to generate a very fine pattern of interference fringes (parallel light and dark bands). These fringes are then recorded on a photosensitive material. These will then be used in subsequent experiments to alter the properties of light for analysis. Photographed at the National Physical Laboratory,Teddington,UK | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NATIONAL PHYSICAL LABORATORY (c) CROWN COPYRIGHT |
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