Two dimensional display of detector response

Details Two dimensional display of detector response Two dimensional display of detector response

1974-11-05

1976-02-17

Dixon, Harold A.

Radiant energy

Infrared-to-visible imaging

Including means for scanning field of view

250338, 324 73R, 324158R, H01J 3149, G01R 1512

Patent

active

039393470

ABSTRACT:
A contour plotter for testing the response of an infrared detector comprig a small, cathode-ray tube with a hidden electron gun for generating a flying-hot-spot raster, a refracting, optical lens for focussing a reduced image of this raster on the detector under test, an oscilloscope, a two-dimensional sweep generator for sweeping the oscilloscope and the small, cathode ray tube in synchronism, and an electronic amplifier for applying the output of the detector to the Z-axis of the oscilloscope so that the intensity of the oscilloscope scanning beam is varied in accordance with the detector output response.
In one embodiment, the small, cathode-ray tube uses an infrared phosphor screen to produce a small source of radiation. In a second embodiment, the cathode-ray tube uses a thin membrane screen formed by a thin film dielectric substrate with a refractory metal film deposited on it for producing a flying hot spot.

REFERENCES:
patent: 2262942 (1941-11-01), Jones
patent: 2980763 (1961-04-01), Lasser
patent: 3056062 (1962-09-01), Garbuny et al.
patent: 3239605 (1966-03-01), Cholet et al.
patent: 3596097 (1971-07-01), Robillard
patent: 3830970 (1974-08-01), Hurley
patent: 3857035 (1974-12-01), Miller

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