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Photonics Dictionary: W
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wafer
In the context of electronics and semiconductor manufacturing, a wafer refers to a thin, flat disk or substrate made of a semiconducting material, usually crystalline silicon. Wafers serve as the...
Weissenberg method
The Weissenberg method, named after the German physicist Karl Weissenberg, is a technique used in x-ray crystallography for obtaining high-quality diffraction patterns from single crystals. This...
wide-angle distortion
A common aberration in lenses covering large fields of view; it results in images of objects near the edge of the field being compressed in the radial distortion.
wide-angle lens
A wide-angle lens is a type of camera lens that has a shorter focal length than a standard or normal lens, allowing it to capture a broader field of view. Wide-angle lenses are characterized by their...
working aperture
The maximum aperture of a lens at which it will still give a sharp image, even though its physical aperture may be larger.
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