Grating waveguide structure for reinforcing an excitation field and use thereof
The invention relates to a variable embodiment of a grating waveguide structure, based on a planar thin-film waveguide with a first optically transparent layer (a) on a second optically transparent layer (b) having a lower refractive index than layer (a), and a grating structure (c) modulated in lay...
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| creator | EHRAT MARKUS MAROWSKY GERD PAWLAK MICHAEL DUVENECK GERT LUDWIG BOPP MARTIN ANDREAS |
| description | The invention relates to a variable embodiment of a grating waveguide structure, based on a planar thin-film waveguide with a first optically transparent layer (a) on a second optically transparent layer (b) having a lower refractive index than layer (a), and a grating structure (c) modulated in layer (a), wherein the intensity of an excitation light irradiated at the resonance angle for incoupling into layer (a) is enhanced by at least a factor of 100 on layer (a) and within layer (a), at least in the region of the grating structure (c), in comparison with the intensity of said excitation light on a substrate surface without incoupling of the excitation light. The invention also relates to an optical system with an excitation light source and an embodiment of a grating waveguide structure according to the invention, and to a method for enhancing an excitation light intensity, and to the use thereof in bioanalytical detection processes, in non-linear optics or in telecommunications or communications industry. |
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The invention also relates to an optical system with an excitation light source and an embodiment of a grating waveguide structure according to the invention, and to a method for enhancing an excitation light intensity, and to the use thereof in bioanalytical detection processes, in non-linear optics or in telecommunications or communications industry.</description><language>eng</language><subject>COLORIMETRY ; 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 ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; RADIATION PYROMETRY ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF ; TESTING</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090910&DB=EPODOC&CC=US&NR=2009224173A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090910&DB=EPODOC&CC=US&NR=2009224173A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>EHRAT MARKUS</creatorcontrib><creatorcontrib>MAROWSKY GERD</creatorcontrib><creatorcontrib>PAWLAK MICHAEL</creatorcontrib><creatorcontrib>DUVENECK GERT LUDWIG</creatorcontrib><creatorcontrib>BOPP MARTIN ANDREAS</creatorcontrib><title>Grating waveguide structure for reinforcing an excitation field and use thereof</title><description>The invention relates to a variable embodiment of a grating waveguide structure, based on a planar thin-film waveguide with a first optically transparent layer (a) on a second optically transparent layer (b) having a lower refractive index than layer (a), and a grating structure (c) modulated in layer (a), wherein the intensity of an excitation light irradiated at the resonance angle for incoupling into layer (a) is enhanced by at least a factor of 100 on layer (a) and within layer (a), at least in the region of the grating structure (c), in comparison with the intensity of said excitation light on a substrate surface without incoupling of the excitation light. 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The invention also relates to an optical system with an excitation light source and an embodiment of a grating waveguide structure according to the invention, and to a method for enhancing an excitation light intensity, and to the use thereof in bioanalytical detection processes, in non-linear optics or in telecommunications or communications industry.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | COLORIMETRY 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 INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RADIATION PYROMETRY TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TESTING |
| title | Grating waveguide structure for reinforcing an excitation field and use thereof |
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