Title :
Correlation-based fiber sensor using a holographic matched filter
Author :
Zhang, Pinyi ; Bennett, Kimberly D. ; Indebetouw, Guy
Author_Institution :
Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA
fDate :
7/1/1990 12:00:00 AM
Abstract :
The principle of a fiber sensor based on an optical correlation technique is described and assessed for its feasibility. The device measures the correlation between the far-field radiation pattern of a multimode sensing fiber and a reference pattern stored in a holographic matched filter. The output is a monotonically decreasing function of the changes in the patterns caused by the perturbance applied to the fiber. The results of some preliminary experiments are discussed and some drawbacks of the technique are pointed out
Keywords :
fibre optic sensors; holography; optical correlation; optical filters; far-field radiation pattern; fiber sensor; holographic matched filter; multimode sensing fiber; optical correlation; reference pattern; Filtering; Graphics; Holographic optical components; Holography; Matched filters; Optical fiber devices; Optical fiber filters; Optical fiber sensors; Optical fiber testing; Pattern matching;
Journal_Title :
Lightwave Technology, Journal of
