Solid state detector

Details Solid state detector Solid state detector

1982-12-29

1986-01-07

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250361R, 250366, 250367, 250370, G01T 1202

Patent

active

045635846

ABSTRACT:
A solid state detector in which each scintillator is optimally configured and coupled with its associated sensing diode in a way which exploits light piping effects to enhance efficiency. Preferably, the detector is modular in nature. Each scintillator is a crystal having an index of refraction which differs as a function of direction through the crystal lattice, with the lowest index of refraction being parallel to the cleavage plane. The sides of each scintillator bar conform with the cleavage plane and are highly polished to light pipe photons created in the scintillator to the rear face for collection by an associated photodiode. The rear face is roughened to de-trap light, allowing transfer from the scintillator to the diode. Optical coupling means join the scintillators to their associated diodes to further enhance light transfer.

REFERENCES:
patent: 3978337 (1976-08-01), Nickles et al.
patent: 4110621 (1978-08-01), Horn
patent: 4181856 (1980-01-01), Bone
patent: 4187427 (1980-02-01), Cusano
patent: 4220860 (1980-09-01), Carlson et al.
patent: 4234792 (1980-11-01), DeCou et al.
patent: 4267446 (1981-05-01), Brown et al.
patent: 4338521 (1982-07-01), Shaw et al.
patent: 4365155 (1982-12-01), Oi et al.
patent: 4429227 (1984-01-01), DiBianca et al.
Patent Abstracts of Japan, vol. 7, No. 67 (P-184) [1212], Mar. 19, 1983.

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