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406 terms
Photonics Dictionary
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Glass x
window
1. A piece of glass with plane parallel surfaces used to admit light into an optical system and to exclude dirt and moisture. 2. A particular region of the electromagnetic spectrum that has been...
x-ray absorbing filter
A window made of glass containing a high percentage of lead or other dense material known to absorb x-rays readily.
Zerodur
Zerodur is a type of glass ceramic material known for its exceptional thermal and mechanical properties, particularly its low coefficient of thermal expansion (CTE) close to zero. It was developed by...
zirconium fluoride
An infrared transmitting material used in the production of fluoride glasses for optical fibers.
zone plate
A plate of glass, usually a photograph, on which there is a central spot surrounded by concentric annular zones, alternately opaque and transparent, the radii of the boundaries between the zones...
zones
1. In a polished surface, concentric waves that appear as zones in Newton's rings when a test glass is applied. 2. An arrangement of crystal faces that come together in a series of edges, all of...
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Photonics Dictionary
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