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8 terms
Photonics Dictionary: C
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lamp x
C x
cadmium lamp
A mercury vapor discharge lamp that has cadmium added to emit radiation in the red region as a complement to the mercury vapor's blue and green radiation.
cesium vapor lamp
A lamp that emits light as the result of the passage of an electrical current through ionized cesium vapor.
comparison lamp
A reference incandescent light source having a luminous intensity that is used in photometry for comparison of other light sources.
crater lamp
A glow-discharge tube in which the discharge takes place in the conical or crater-shaped depression at one end of the tube.
calibrated light source
A lamp whose output can be traced to a standard light source.
campimeter
->
eye test apparatus
Instruments used by ophthalmologists and optometrists to study the eye. There are, for instance, the ophthalmoscope to observe and photograph the retina; the retinoscope and optometer to determine...
computer numerically controlled grinding
Computer numerically controlled (CNC) grinding is a manufacturing process that utilizes computerized controls and precision machining tools to remove material from a workpiece. In CNC grinding, a...
crystal laser
->
solid-state laser
A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent light. The term "solid-state" refers to the fact that the active medium, where...
Photonics Dictionary
C
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