Apparatus and method for scanning transparent phosphors

Details Apparatus and method for scanning transparent phosphors Apparatus and method for scanning transparent phosphors

1989-09-29

1991-01-29

Hannaher, Constantine

Radiant energy

Automatic/serial detection of similar sources

2504841, G03B 4200

Patent

active

049888730

ABSTRACT:
Apparatus for scan-stimulating a transparent image-storage phosphor to recover a latent image previously formed therein by, for example, an imagewise exposure to x-radiation. Such apparatus includes a source of stimulating radiation and optical apparatus for causing the stimulating radiation to appear (to the storage phosphor) to diverge from the same position in space as the source (x-ray) used to form the latent image in the phosphor. By scanning the phosphor with stimulating radiation propagating along the same path as that traversed by the imagewise-exposing radiation, the recovered image is significantly sharper than prior art techniques.

REFERENCES:
patent: 3859527 (1975-01-01), Luckey
patent: 4733090 (1988-03-01), DeBoer et al.
patent: 4778995 (1988-10-01), Kuplinski et al.
patent: 4797543 (1989-01-01), Caruthers, Jr.

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