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Title: Resonant optical transducers for in-situ gas detection

Abstract

Configurations for in-situ gas detection are provided, and include miniaturized photonic devices, low-optical-loss, guided-wave structures and state-selective adsorption coatings. High quality factor semiconductor resonators have been demonstrated in different configurations, such as micro-disks, micro-rings, micro-toroids, and photonic crystals with the properties of very narrow NIR transmission bands and sensitivity up to 10.sup.-9 (change in complex refractive index). The devices are therefore highly sensitive to changes in optical properties to the device parameters and can be tunable to the absorption of the chemical species of interest. Appropriate coatings applied to the device enhance state-specific molecular detection.

Inventors:
; ;
Publication Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1259697
Patent Number(s):
9,377,399
Application Number:
13/674,839
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Nov 12
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 36 MATERIALS SCIENCE; 54 ENVIRONMENTAL SCIENCES

Citation Formats

Bond, Tiziana C, Cole, Garrett, and Goddard, Lynford. Resonant optical transducers for in-situ gas detection. United States: N. p., 2016. Web.
Bond, Tiziana C, Cole, Garrett, & Goddard, Lynford. Resonant optical transducers for in-situ gas detection. United States.
Bond, Tiziana C, Cole, Garrett, and Goddard, Lynford. 2016. "Resonant optical transducers for in-situ gas detection". United States. https://www.osti.gov/servlets/purl/1259697.
@article{osti_1259697,
title = {Resonant optical transducers for in-situ gas detection},
author = {Bond, Tiziana C and Cole, Garrett and Goddard, Lynford},
abstractNote = {Configurations for in-situ gas detection are provided, and include miniaturized photonic devices, low-optical-loss, guided-wave structures and state-selective adsorption coatings. High quality factor semiconductor resonators have been demonstrated in different configurations, such as micro-disks, micro-rings, micro-toroids, and photonic crystals with the properties of very narrow NIR transmission bands and sensitivity up to 10.sup.-9 (change in complex refractive index). The devices are therefore highly sensitive to changes in optical properties to the device parameters and can be tunable to the absorption of the chemical species of interest. Appropriate coatings applied to the device enhance state-specific molecular detection.},
doi = {},
url = {https://www.osti.gov/biblio/1259697}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 28 00:00:00 EDT 2016},
month = {Tue Jun 28 00:00:00 EDT 2016}
}

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