Fiber optical luminescence measuring system for measuring physic

Details Fiber optical luminescence measuring system for measuring physic Fiber optical luminescence measuring system for measuring physic

1983-03-31

1985-12-31

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231P, 73800, G01D 526

Patent

active

045623481

ABSTRACT:
A fiber optical luminescence measuring system for measuring a change in a physical quantity employs a transmitter/receiver unit and a sensor unit for the physical quantity optically linked by at least one optical fiber. The sensor unit is arranged to emit luminescent light with at least two different decay time constants, where the quotient between the intensities of emitted luminescent light having the different decay times corresponds to a measure of the quantity to be measured.

REFERENCES:
patent: 4270050 (1981-05-01), Brogardh
patent: 4275296 (1981-06-01), Adolfsson
patent: 4356396 (1982-10-01), Ruell et al.
patent: 4376890 (1983-03-01), Engstrom et al.
patent: 4451730 (1984-05-01), Brogardh et al.

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