Distributed fiber optic temperature sensor based on time domain

Details Distributed fiber optic temperature sensor based on time domain Distributed fiber optic temperature sensor based on time domain

1990-04-10

1991-07-30

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

25022712, 374131, 374137, G01K 1100

Patent

active

050355112

ABSTRACT:
An apparatus and method for sensing temperature of a surface comprises a plurality of time domain intensity transmission networks. Each network comprises pairs of fiber optic power dividers which are connected to each other by bridges. One power divider in each pair is connected in a series by delay lines that form an output bus for propagating a light pulse supplied to an initial power divider in the output bus. This produces a train of light pulses which are returned to a light detector by a receiving bus which interconnects the power dividers at the opposite end of each bridge. Each power divider is in thermal contact with the surface whose temperature is to be measured and the intensity of the train of light pulses is changed in accordance with changes in the temperature of the surface.

REFERENCES:
patent: 4297656 (1981-10-01), Pan
patent: 4326798 (1982-04-01), Kahn
patent: 4671604 (1987-06-01), Soref
patent: 4830513 (1989-05-01), Grego
patent: 4878226 (1989-10-01), McQuoid et al.
patent: 4916643 (1990-04-01), Ziegler et al.
Spillman, Jr., W. B. and Lord, J. R., "Self-Referencing Multiplexing Technique for Fiber-Optic Intensity Sensors", J. of Lightwave Technology, vol. LT-5, pp. 865-869, 1987.
Johnson, L. M. et al., "Integrated Optical Temperature Sensor," Appl. Phys. Lett., vol. 41, No. 2 (Jul. 1982).
Callahan, R. W., "Optical Delay Line Compressor," IBM Technical Disclosure Bulletin, vol. 14, No. 8 (Dec. 1971).

Affiliated with

Also associated with

Rating

Distributed fiber optic temperature sensor based on time domain does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Distributed fiber optic temperature sensor based on time domain , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Distributed fiber optic temperature sensor based on time domain will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1539221