Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device
Patent
1989-06-26
1991-08-20
Hannaher, Constantine
Radiant energy
Invisible radiation responsive nonelectric signalling
Luminescent device
250337, 2503541, 2503581, G01T 1115
Patent
active
050417347
ABSTRACT:
Disclosed is a laser dosimeter reading apparatus having a controllable optical laser converter for providing multiple stimulating laser beams. The convertible laser dosimeter reader can be used to stimulate or otherwise treat dosimeter elements to perform two or more distinct processes on a particular dosimeter element. Additionally, the convertible dosimeter reader can be used to read multiple different types of dosimeter elements contained on a single dosimeter badge, thereby allowing a badge to be read in a multi-stage reading operation in a single dosimeter reader which is preferably automated. The optical laser converter includes a converter block assembly which defines multiple optical pathways therethrough. The convert block assembly is movable between different positions to align the different optical pathways with an incoming laser beam. The output laser beams from the different optical pathways of the converter have differing laser beam characteristics suitable for different types of dosimeters or differing treatment processes. The output beams from the optical pathways are preferably passed through an imaging assembly which images the beams onto the dosimeters being stimulated or for other uses as the laser beam converter may be utilized. The disclosure also includes methods for converting a laser beam and for reading radiation dosimeters.
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Bloomsburg Carl D.
Braunlich Peter F.
Hoelscher James W.
Tetzlaff Wolfgang
Glick Edward J.
Hannaher Constantine
International Sensor Technology, Inc.
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