Fluorescent decay time optical sensor for temperature measurement

Y. W. Lin

doi:10.1117/12.2316224

1 September 1996 Fluorescent decay time optical sensor for temperature measurement

Y. W. Lin

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778EV (1996) https://doi.org/10.1117/12.2316224
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

On-line temperature measurement of rotors of electric machines and other high voltage electric equipments is great value for safety operation, but the existing of high voltage, strong electric-magnetic field and small installation space make it difficult to achieve this measurement, especially in the case of rotary or motional status.

In this paper, a method for this kind of measurement by calculating the decay time of the fluorescence is presented. It uses a phorsphor powder material, which is sticked on the surface of the rotor (or other tested surfaces) by mixing some resin and activated by a ultra-violet light pulse, which is delivered onto the surface through an optical fiber. As the pulse is over, the fluorescence emitted from the powder is collected by another fiber and sent back to a sensor with it' s associated circuit.

Citation Download Citation

Y. W. Lin "Fluorescent decay time optical sensor for temperature measurement", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778EV (1 September 1996); https://doi.org/10.1117/12.2316224

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