OPTICAL DEVICE AND OPTICAL DETECTION SYSTEM
An optical device includes a first mirror having a first reflecting surface and extending along a first direction, a second mirror having a second reflecting surface that faces the first reflecting surface and extending along the first direction, and an optical waveguide layer, located between the f...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
16.10.2024
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Subjects | |
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Abstract | An optical device includes a first mirror having a first reflecting surface and extending along a first direction, a second mirror having a second reflecting surface that faces the first reflecting surface and extending along the first direction, and an optical waveguide layer, located between the first mirror and the second mirror, that causes light to propagate along the first direction. A transmittance of the first mirror is higher than a transmittance of the second mirror. A reflection spectrum of at least either the first mirror or the second mirror with respect to light arriving from a direction normal to the reflecting surface includes, in a wavelength region in which a reflectance is higher than or equal to 90%, a local maximum point and first and second points of inflection located closer to a long-wavelength side than the local maximum point. |
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AbstractList | An optical device includes a first mirror having a first reflecting surface and extending along a first direction, a second mirror having a second reflecting surface that faces the first reflecting surface and extending along the first direction, and an optical waveguide layer, located between the first mirror and the second mirror, that causes light to propagate along the first direction. A transmittance of the first mirror is higher than a transmittance of the second mirror. A reflection spectrum of at least either the first mirror or the second mirror with respect to light arriving from a direction normal to the reflecting surface includes, in a wavelength region in which a reflectance is higher than or equal to 90%, a local maximum point and first and second points of inflection located closer to a long-wavelength side than the local maximum point. |
Author | ERA, Masanori HASHIYA, Akira INADA, Yasuhisa |
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DocumentTitleAlternate | OPTISCHE VORRICHTUNG UND OPTISCHES DETEKTIONSSYSTEM DISPOSITIF OPTIQUE ET SYSTÈME DE DÉTECTION OPTIQUE |
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Snippet | An optical device includes a first mirror having a first reflecting surface and extending along a first direction, a second mirror having a second reflecting... |
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SubjectTerms | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
Title | OPTICAL DEVICE AND OPTICAL DETECTION SYSTEM |
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