WO2002046748A3 - Compact sensor using microcavity structures - Google Patents

Compact sensor using microcavity structures Download PDF

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Publication number
WO2002046748A3
WO2002046748A3 PCT/US2001/046660 US0146660W WO0246748A3 WO 2002046748 A3 WO2002046748 A3 WO 2002046748A3 US 0146660 W US0146660 W US 0146660W WO 0246748 A3 WO0246748 A3 WO 0246748A3
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WO
WIPO (PCT)
Prior art keywords
microcavities
absorbed
sensor
agent
compact sensor
Prior art date
Application number
PCT/US2001/046660
Other languages
French (fr)
Other versions
WO2002046748A2 (en
Inventor
David M Pepper
Daniel Sievenpiper
Original Assignee
Hrl Lab Llc
David M Pepper
Daniel Sievenpiper
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hrl Lab Llc, David M Pepper, Daniel Sievenpiper filed Critical Hrl Lab Llc
Priority to JP2002548434A priority Critical patent/JP4090881B2/en
Priority to AU2002239524A priority patent/AU2002239524A1/en
Priority to EP01987290A priority patent/EP1340065A2/en
Publication of WO2002046748A2 publication Critical patent/WO2002046748A2/en
Publication of WO2002046748A3 publication Critical patent/WO2002046748A3/en

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    • 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 sub-millimetre waves, infrared, visible or ultraviolet 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
    • G01N21/7746—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 waveguide coupled to a cavity resonator
    • 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 sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/031—Multipass arrangements
    • 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 sub-millimetre waves, infrared, visible or ultraviolet 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

Abstract

A compact sensor for detection of chemical and/or biological compounds in low concentration. The sensor comprises electro-magnetic microcavities. The agent to be detected passes the microcavities, is absorbed and/or absorbed by the microcavities, and modifies the electromagnetic field inside the microcavities. After the agent has been adsorbed and/or absorbed, a probe beam is applied to the microcavities. The change of electromagnetic field is detected by the detector, and the frequency of the probe beam at which the resonance is observed, is indicative of a particular agent being present. A method for detecting chemical and/or biological compounds using the sensor.
PCT/US2001/046660 2000-12-06 2001-12-05 Compact sensor using microcavity structures WO2002046748A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002548434A JP4090881B2 (en) 2000-12-06 2001-12-05 Compact sensor using microcavity structure
AU2002239524A AU2002239524A1 (en) 2000-12-06 2001-12-05 Compact sensor using microcavity structures
EP01987290A EP1340065A2 (en) 2000-12-06 2001-12-05 Compact sensor using microcavity structures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/732,833 US6777244B2 (en) 2000-12-06 2000-12-06 Compact sensor using microcavity structures
US09/732,833 2000-12-06

Publications (2)

Publication Number Publication Date
WO2002046748A2 WO2002046748A2 (en) 2002-06-13
WO2002046748A3 true WO2002046748A3 (en) 2002-11-21

Family

ID=24945117

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/046660 WO2002046748A2 (en) 2000-12-06 2001-12-05 Compact sensor using microcavity structures

Country Status (5)

Country Link
US (1) US6777244B2 (en)
EP (1) EP1340065A2 (en)
JP (2) JP4090881B2 (en)
AU (1) AU2002239524A1 (en)
WO (1) WO2002046748A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107247034B (en) * 2017-05-24 2019-11-12 东南大学 A kind of bifrequency wavelength modulator approach based on absorption spectroscopy techniques

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