[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Caldararu et al., 1995 - Google Patents

Integrated structure including a waveguide and a photodiode for a chemo-optical sensor on silicon

Caldararu et al., 1995

View PDF
Document ID
2849837087044098063
Author
Caldararu M
Craciunoiu F
Caldararu F
Dascalu D
Paraschiv A
Vasilescu A
Publication year
Publication venue
Proc. IEEE

External Links

Snippet

The paper describes the design of an absorptive chemo-optical sensor. The sensor includes an integrated silicon structure, composed of waveguides coupled to photodiodes. The transducer is a chemical layer, whose absorption coefficient is dependent on the …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths
    • G02B6/1221—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths made from organic materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N21/774—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/13—Integrated optical circuits characterised by the manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B2006/12083—Constructional arrangements
    • G02B2006/12107—Grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02066—Gratings having a surface relief structure, e.g. repetitive variation in diameter of core or cladding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings

Similar Documents

Publication Publication Date Title
Stewart et al. Optical waveguide modelling and design for evanescent field chemical sensors
US9891167B2 (en) Optical analyte sensor
Ahlfeldt et al. Fiber optical Bragg grating refractometer
Homola et al. A surface plasmon resonance based integrated optical sensor
US4515430A (en) Integrated optical transducers
US5093884A (en) Integrated monomode spatial optical filter and its method of embodiment
Gupta et al. Fiber-optic evanescent field absorption sensor: a theoretical evaluation
WO1999009439A8 (en) Photonic crystal materials and a method of preparation thereof
Schubert et al. Refractive-index measurements using an integrated Mach-Zehnder interferometer
EP0404900A1 (en) Improvements in or relating to optical biosensors
Stewart et al. Sensitivity improvement for evanescent-wave gas sensors
NL1006323C2 (en) Integrated optical waveguide system.
Madrigal et al. Refractive index and temperature sensing using inter-core crosstalk in multicore fibers
Caldararu et al. Integrated structure including a waveguide and a photodiode for a chemo-optical sensor on silicon
US5799117A (en) Integrated optical structural element, and method of producing the same
Lambeck et al. Three novel integrated optical sensing structures for the chemical domain
Gupta et al. A novel probe for an evanescent wave fibre-optic absorption sensor
Slavik et al. Novel surface plasmon resonance sensor based on single-mode optical fiber
Hollenbach et al. Integrated optical refractive index sensor by ion-exchange in glass
ATE101455T1 (en) SEMICONDUCTOR LASER AMPLIFIER.
GB2307741A (en) Polymer-based integrated optical sensors
Asseh et al. Evanescent field refractive index sensor utilizing a narrow fiber Bragg grating and a tunable DBR laser
Malek-Tabrizi et al. Glass integrated optics symmetric and nonsymmetric Mach-Zehnder interferometer sensors
US6282338B1 (en) Interfacial propagating mode waveguide
US6748129B2 (en) Method and apparatus of monitoring optical power level in waveguiding structures