Optical temperature transducer
First Claim
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1. An optical temperature transducer, comprising:
- (a) fiber optical light conducting means having a terminal end,(b) a substantially solid temperature-dependent light absorbing matrix mass optically coupled on said terminal end of said fiber optical light conducting means, and(c) said matrix mass including multifaceted randomly oriented and distributed reflecting chips therein for randomly distributiung light therein received from said fiber optical light conducting means and returning a portion of the unabsorbed light therethrough, reflection of light by said chips being substantially unaffected by temperature.
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Abstract
A substantially solid temperature-dependent light absorbing mass including multiple-faceted randomly oriented and distributed reflecting chips is optically coupled on the terminal end of a fiber optical light conductor.
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Citations
20 Claims
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1. An optical temperature transducer, comprising:
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(a) fiber optical light conducting means having a terminal end, (b) a substantially solid temperature-dependent light absorbing matrix mass optically coupled on said terminal end of said fiber optical light conducting means, and (c) said matrix mass including multifaceted randomly oriented and distributed reflecting chips therein for randomly distributiung light therein received from said fiber optical light conducting means and returning a portion of the unabsorbed light therethrough, reflection of light by said chips being substantially unaffected by temperature. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An optical temperature transducer, comprising:
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(a) a bundle of optical fibers having a terminal end, (b) a substantially solid temperature-dependent light absorbing matrix mass optically coupled on said terminal end of said fiber optical bundle, (c) said matrix being a transparent epoxy resin, (d) said matrix mass including multifaceted randomly oriented and distributed, crushed, temperature-dependent, light absorbing, reflecting semiconductor chips for randomly distributing light therein received from said fiber optical bundle and returning a portion of the unabsorbed light therethrough, and (e) an optically opaque coating on the exterior of said matrix mass.
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8. A method for fabricating an optical temperature transducer, comprising:
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(a) mixing a temperature-dependent light absorbing material, multifaceted reflecting chips, and a hardenable carrier, and (b) hardening a mass thereof on the terminal end of a fiber optical light conducting means. - View Dependent Claims (9, 10)
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11. A method for fabricating an optical temperature transducer, comprising:
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(a) crushing a temperature-dependent light absorbing semiconductor material, (b) mixing the crushed material with an epoxy resin carrier, (c) hardening a mass thereof on the terminal end of a bundle of optical fibers, and (d) applying an optically opaque coating to the exterior of the mass.
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12. An optical temperature transducer, comprising:
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(a) fiber optical light conducting means having a terminal end, (b) a substantially solid matrix mass optically coupled on said terminal end of said fiber optical light conducting means, and including multifaceted randomly oriented and distributed reflecting chips therein for randomly distributing light therein received from said fiber optical light conducting means and returning a portion of the unabsorbed light therethrough, said chips providing temperature dependent absorption of light. - View Dependent Claims (13, 14)
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15. An optical temperature transducer, comprising:
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(a) fiber optical light conducting means having a terminal end, (b) a substantially solid temperature-dependent light absorbing matrix mass optically coupled on said terminal end of said fiber optical light conducting means, and (c) said matrix mass including multifaceted randomly oriented and distributed reflecting chips therein for randomly distributing light therein received from said fiber optical light conducting means and returning a portion of the unabsorbed light therethrough, said chips providing temperature dependent absorption of light. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification