Lens system for optic temperature sensor

Details Lens system for optic temperature sensor Lens system for optic temperature sensor

1990-02-27

1991-07-30

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

374161, 350 9618, 350 9629, H01J 516, G01K 1100

Patent

active

050361945

ABSTRACT:
An optic system (10) having a lens arrangement (38) for collimating a beam of light carried by a first array (20) of a bifurcated fiber bundle (18) to uniformly illuminate the entire surface (36) of a fluorescent material (30) to create an output signal corresponding to the temperature of the fluorescent material (30). The lens arrangement (38) focuses the output signal onto the end (34) of bifurcated fiber bundle (18) where a second array (24) communicates up to one half of the output signal generated by the glow of the fluorescent material (30) to a detector (44) which processes the output signal to inform an operator of the temperature of the fluorescent material (30).

REFERENCES:
patent: Re31832 (1985-02-01), Samulski
patent: 4179927 (1979-12-01), Saaski
patent: 4223226 (1980-09-01), Quick et al.
patent: 4592664 (1986-06-01), Bijlenga et al.
patent: 4626110 (1986-12-01), Wickersheim et al.
patent: 4644154 (1987-02-01), Brogardh et al.
patent: 4749856 (1988-06-01), Walker et al.
patent: 4752141 (1988-06-01), Sun et al.
patent: 4785824 (1988-11-01), Wickersheim et al.
patent: 4799756 (1989-01-01), Hirschfeld
patent: 4895156 (1990-01-01), Schulze

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