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Photonics Dictionary
There are 359 terms that begin with 'D'
Currently displaying records 1 thru 40. You are in set 1 of 9

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1
A value used to designate the relative sensitivity of a...
2
A telescope similar to the customary Cassegrain telescope,...
3
An organizational method used in optical design computer...
4
Continuous conversion of oscillatory energy into heat,...
5
The ability of the human eye to adjust itself to low levels...
6
A precision-engineered microminiature light source that is...
7
A lightproof box used for storing photosensitive...
8
The current that flows in a photodetector when there is no...
9
The decay of an electrostatic charge image resulting from...
10
In a gas, an electrical discharge that has no...
11
Unused fiber; fiber that has been installed but reserved...
12
A frame taken to identify electronic noise in a CCD imaging...
13
A multilayer coating that manifests both a low radiant...
14
The noise produced in a photodetector when the photocathode...
15
An operate mode in which the sensor is programmed to...
16
See dark...
17
The portion of a glow discharge tube that permits little or...
18
The formation of a dark-colored film on a metal surface by...
19
A condenser that forms a hollow cone-shaped beam of light...
20
A disc contained within an electronic cell counter for...
21
The transmission of light by a condenser to observe either...
22
A technique whereby the sample is illuminated by a hollow...
23
A photomicrographic recording technique that utilizes...
24
A spectrum having some lines that are darker than others or...
25
A room that is light-tight, permitting total darkness or...
26
An accurate cathode-ray tube display used to provide visual...
27
A system incorporated into fiber optic data communications...
28
A method of storing digital data using techniques that...
29
The communications network between nodes of a data...
30
An incandescent or fluorescent lamp whose emittance...
31
Decibels referenced to one milliwatt; often used to specify...
32
See zero-order...
33
A wave associated with a moving particle, as first proposed...
34
The removal of optical elements from a...
35
The conversion of an internal latent image into a surface...
36
The selective absorption of electromagnetic waves by a...
37
See x-ray...
38
A device used in ultrasonic imaging to measure the velocity...
39
1. The grinding or edging of a lens so that the geometrical...
40
In a single element, any lack of coincidence between the...
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Term of the moment...
optical distance - The actual length of the light path in a substance divided by the refractive index of that substance.

See also equivalent air path.

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