ARTICLE CONTAINING OPTICAL ELEMENT AND MANUFACTURE THEREOF
PURPOSE: To provide an optical element provided with an area locally substantially turned to a high refractive index. CONSTITUTION: By a processing for exposing at least a part of glass to H2 or D2 (the partial pressure of H2 or D2 is more than 1 atmospheric pressure) at the temperature of 250 deg.C...
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| creator | KENESU RII UOOKAA POORU JIYOSEFU REMAIAA BUIKUTAA MISURAHI ROBAATO MAIKERU ATOKINZU |
| description | PURPOSE: To provide an optical element provided with an area locally substantially turned to a high refractive index. CONSTITUTION: By a processing for exposing at least a part of glass to H2 or D2 (the partial pressure of H2 or D2 is more than 1 atmospheric pressure) at the temperature of 250 deg.C or less and irradiating at least a part of an exposed part with the radiation 34 having chemical activity (UV in a typical case), unpredictably large standardized refractive index change (Δ>10 ), probably larger than 10-3) is obtained in oxide glass like high silica glass for instance. This method is used for the manufacture of the optical element including the area (or plural areas) of the high refractive index like an in-line refractive index in an optical waveguide, a planer optical waveguide or a phase diffraction grating, for instance. |
| format | Patent |
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CONSTITUTION: By a processing for exposing at least a part of glass to H2 or D2 (the partial pressure of H2 or D2 is more than 1 atmospheric pressure) at the temperature of 250 deg.C or less and irradiating at least a part of an exposed part with the radiation 34 having chemical activity (UV in a typical case), unpredictably large standardized refractive index change (Δ>10<-5> ), probably larger than 10-3) is obtained in oxide glass like high silica glass for instance. This method is used for the manufacture of the optical element including the area (or plural areas) of the high refractive index like an in-line refractive index in an optical waveguide, a planer optical waveguide or a phase diffraction grating, for instance.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEMICONDUCTOR DEVICES |
| title | ARTICLE CONTAINING OPTICAL ELEMENT AND MANUFACTURE THEREOF |
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