Thermocouple detector

Details Thermocouple detector Thermocouple detector

1983-07-21

1985-04-23

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250338, 136225, 356141, G01B 1126, H01L 3502

Patent

active

045132011

ABSTRACT:
An apparatus for determining the direction of orientation of pulsed sources includes a detector having two rectangular arrays of thermocouple strips fixed to opposite surfaces of a substrate. Radiation from the source is restricted to be incident on only one of the rectangular arrays. The incident radiation is thermalized quickly by the first array, and a voltage differential between the two rectangular arrays is sensed. The orientation of the source with respect to the optical axis of the apparatus can be calculated from an identification of that portion of the array wherein local thermalization takes place.

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Day, G. W., et al, "Detection of Fast Infrared Laser Pulses with Thin Film Thermocouples", Applied Physics Letters, vol. 13, No. 9, (Nov. 1, 1968), pp. 289-290.

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