Photonics Dictionary Definitions, Abbreviations, Illustrations, Terms listing by the letter T (Items 1 thru 40)

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Photonics Dictionary Return to Dictionary home There are 285 terms that begin with 'T' Currently displaying records 1 thru 40. You are in set 1 of 7 next set —> or select a set: 1 t number The equivalent f number of a fictitious lens that has a... 2 T stop See t... 3 table See honeycomb table; indexing... 4 tachometer An instrument designed to measure the rate of rotation of... 5 talbot One lumen-second, the SI unit of the quantity of... 6 Talbot's bands The series of interference bands that appear in the... 7 Talbot's law The law stating that the brightness of an object that is... 8 tangent ogive In optics, a shape often given to the leading edge of a... 9 tangential distortion An image defect, usually caused by errors of centration,... 10 tap A device for extracting a portion of the optical signal... 11 tapered transmission line See tapered... 12 tapered undulator See undulator... 13 tapered waveguide A waveguide having a characteristic that is altered... 14 target 1. The anode or anticathode of an x-ray tube that emits... 15 target angular position (TAP) Measurement estimated from the position of the image's... 16 target size and orientation Angular tracking measurement estimated from the properly... 17 Taylor criterion States that in interferometers in which the separation of... 18 TEA laser See transversely excited atmosphere (TEA)... 19 tearing In television, a lateral displacement of the lines from... 20 technicolor The color process that is used to form positive color cine... 21 tee coupler A passive coupler that connects three... 22 telecentric lens A lens in which the aperture stop is located at the front... 23 telemeter 1. The term used to describe any of the many instruments... 24 telemetry The science of sensing and measuring information at some... 25 teleobjective See telephoto... 26 telephoto lens A compound lens so constructed that its overall length is... 27 telephoto magnification See telephoto... 28 telephoto power The ratio between the focal length of a lens having a... 29 telephoto ratio In a telephoto lens, the ratio of the overall length to the... 30 telephotography 1. A method of photographing distant objects with a lens of... 31 telephotometer An instrument used to measure the luminance (brightness) of... 32 telephotometry The principles and techniques involved in the use of... 33 telepresence The use of head-mounted displays and body-operated remote... 34 teleradiography A method of taking radiographs at a distance from the... 35 telescope An afocal optical device made up of lenses or mirrors,... 36 telescope exit pupil The image of the aperture stop, usually the objective lens,... 37 telescope mount The base used to hold an astronomical telescope. It may be... 38 telescopic sight See... 39 televise To transform a picture or image field into a television... 40 television aperture The term that represents the size of one of the many small... Currently displaying records 1 thru 40. You are in set 1 of 7 next set —> or select a set: Return to Dictionary home Click to view listings of terms Term of the moment... fiber optics - The branch of optical technology concerned with the transmission of radiant power through fibers made of transparent materials such as glass, fused silica or plastic. See also optical fiber.	advertisement advertisement advertisement advertisement advertisement advertisement advertisement

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