| 简介 |
In accordance with the present invention, a fiber optic temperature sensing system incorporating a thermal probe which utilizes a phosphor in the form of a microsphere is provided. The microsphere is situated in air so as to produce a lensing effect in both coupling the excitation light delivered to it by the fiber and coupling the fluorescence produced by the phosphor material back into the fiber. The thermal probe can be implemented in either a flexible or a rigid form. Materials for the phosphor microspheres include—but are not limited to—rare earth(s) doped single crystals, rare earth(s) doped ceramics, and ruby. When coupled to a suitable controller, these thermal probes can provide reliable temperature measurements even in environments characterized by strong electrical noise or electromagnetic interference. |
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