Reflectivity compensating system for fiber optic sensor employin

Details Reflectivity compensating system for fiber optic sensor employin Reflectivity compensating system for fiber optic sensor employin

1982-04-29

1984-12-18

Rosenberger, R. A.

Optics: measuring and testing

By polarized light examination

With light attenuation

250227, G01B 1114

Patent

active

044888139

ABSTRACT:
This invention provides for the use of two similar fiber optic probes set at a fixed position differential relative to each other in order that a calibration correction signal can be obtained which may be used to create a common output signal having a gap calibration which is independent of surface reflectance.

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patent: 3562539 (1971-02-01), Beroza et al.
patent: 3784309 (1974-01-01), Brelot et al.
patent: 3940608 (1976-02-01), Kissinger et al.
patent: 4210029 (1980-07-01), Porter
patent: 4247764 (1981-01-01), Kissinger
patent: 4254331 (1981-03-01), Dorman et al.
patent: 4358960 (1982-11-01), Porter

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