Novel fiber optic sensor equipment for direct measurement of the sugar content of sugarcane

Van Hoi Pham; Huy Bui; Cao Dzung Hoang; Huu An Phung; Duc Thinh Vu

doi:10.1117/12.318221

13 August 1998 Novel fiber optic sensor equipment for direct measurement of the sugar content of sugarcane

Van Hoi Pham, Huy Bui, Cao Dzung Hoang, Huu An Phung, Duc Thinh Vu

Proceedings Volume 3555, Optical and Fiber Optic Sensor Systems; (1998) https://doi.org/10.1117/12.318221
Event: Photonics China '98, 1998, Beijing, China

Abstract

The fiber-optic refractometer made by the prism-taped fibers is presented. The prism tips of fibers had been making by polishing method and the endface of the load-in fiber was coating by the reflective thin film. The size of the fiber sensor head is of 250-260 microns. The fiber-optic sensor using visible laser diodes of 650-670 nm was performance for the directly distinguish of sugar content in the sugarcanes with accuracy range of 5.10^-4. These refractometers are already to use for the sugarcane plantations.

Citation Download Citation

Van Hoi Pham, Huy Bui, Cao Dzung Hoang, Huu An Phung, and Duc Thinh Vu "Novel fiber optic sensor equipment for direct measurement of the sugar content of sugarcane", Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); https://doi.org/10.1117/12.318221

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