integrating detector Comparison Table

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integrating detector comparison table

Subject has acronym has synonym has definition

charge-coupled device CCD Highly sensitive photoelectric devices that can electronically record the intensity and point of arrival of tiny amounts of light. CCDs are placed at the receiving end of telescopes, to "take pictures" of very faint astronomical objects; they have almost completely replaced photographic plates.

FOC Faint Object Camera (Hubble).

heliograph Device for recording the positions of sunspots.

hologram An interferometric method of recording information about the three-dimensional nature of an object which relies on preserving both the amplitudes and phases of the wavefronts which reach the detector, instead of merely the amplitudes. Hologram means "whole record". The basic principle was outlined by D. Gabor in 1948.

image dissector scanner A specialized television camera used as a light detector (instead of a photographic plate) in the 1970's.

image tube image intensifier An electronic camera in which electrons, emitted from a photocathode surface exposed to light, are focused electronically onto a phosphor or photographic plate.

Schmidt plate Photographic plate obtained with a Schmidt telescope, which is a type of telescope with a particularly large field of view.

Subject	has acronym	has synonym	has definition
charge-coupled device	CCD		Highly sensitive photoelectric devices that can electronically record the intensity and point of arrival of tiny amounts of light. CCDs are placed at the receiving end of telescopes, to "take pictures" of very faint astronomical objects; they have almost completely replaced photographic plates.
FOC			Faint Object Camera (Hubble).
heliograph			Device for recording the positions of sunspots.
hologram			An interferometric method of recording information about the three-dimensional nature of an object which relies on preserving both the amplitudes and phases of the wavefronts which reach the detector, instead of merely the amplitudes. Hologram means "whole record". The basic principle was outlined by D. Gabor in 1948.
image dissector scanner			A specialized television camera used as a light detector (instead of a photographic plate) in the 1970's.
image tube		image intensifier	An electronic camera in which electrons, emitted from a photocathode surface exposed to light, are focused electronically onto a phosphor or photographic plate.
Schmidt plate			Photographic plate obtained with a Schmidt telescope, which is a type of telescope with a particularly large field of view.

Next imager: microchannel plate Up: imager Previous imager: image intensifier