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7 terms
Photonics Dictionary: D
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exposure x
D x
double-exposure holography
The formation of an interferogram by means of two holograms on the same recording medium, often used for determining small changes in an object. One hologram produces a primary image that constitutes...
dark decay
The decay of an electrostatic charge image resulting from long exposure to the dark.
dark frame
A frame taken to identify electronic noise in a CCD imaging device. A dark frame is recorded without exposing the CCD to any external light by, for example, leaving the shutter of a CCD camera...
Debot effect
The conversion of an internal latent image into a surface latent image through exposure to infrared radiation. The converse of the Herschel effect.
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film cameras, which use photographic film to capture and store images, digital...
dosage meter
->
dosimeter
A device used to detect and measure the quantity of exposure to nuclear or x-ray radiation, and dependent on the fact that such radiation ionizes a gas.
dosimeter
A device used to detect and measure the quantity of exposure to nuclear or x-ray radiation, and dependent on the fact that such radiation ionizes a gas.
Photonics Dictionary
D
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