Pattern measurement of speckle noise in optical fiber and its application to sensors

Masanari Taniguchi; Masato Oki; Tasuku Takagi

doi:10.1117/12.369341

11 November 1999 Pattern measurement of speckle noise in optical fiber and its application to sensors

Masanari Taniguchi, Masato Oki, Tasuku Takagi

Proceedings Volume 3897, Advanced Photonic Sensors and Applications; (1999) https://doi.org/10.1117/12.369341
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

An optical fiber has been used in a wide area such as in communication system, a view guide for diagnosis, applied optical sensor, etc. In such applications of the optical fiber especially in the sensor, some new sensor may be expected. In this study, possibility of a speckle nose used sensor was discussed. For this, the speckle noise patterns were observed to make clear their characteristics with regard on the miss-match of optic axis and an experimental study was carried out on the influence of edge surface condition, core diameter and distortion. In addition, the speckle noise pattern was measured by using the digital image processing technique, and its characterization was partly made. From these investigations, the possibility of speckle noise used sensor was discussed.

Citation Download Citation

Masanari Taniguchi, Masato Oki, and Tasuku Takagi "Pattern measurement of speckle noise in optical fiber and its application to sensors", Proc. SPIE 3897, Advanced Photonic Sensors and Applications, (11 November 1999); https://doi.org/10.1117/12.369341

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