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Title: Omnidirectional optical waveguide

Abstract

In one embodiment, a system includes a scintillator material; a detector coupled to the scintillator material; and an omnidirectional waveguide coupled to the scintillator material, the omnidirectional waveguide comprising: a plurality of first layers comprising one or more materials having a refractive index in a first range; and a plurality of second layers comprising one or more materials having a refractive index in a second range, the second range being lower than the first range, a plurality of interfaces being defined between alternating ones of the first and second layers. In another embodiment, a method includes depositing alternating layers of a material having a relatively high refractive index and a material having a relatively low refractive index on a substrate to form an omnidirectional waveguide; and coupling the omnidirectional waveguide to at least one surface of a scintillator material.

Inventors:
;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1279971
Patent Number(s):
9405083
Application Number:
13/898,393
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
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DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 May 20
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Bora, Mihail, and Bond, Tiziana C. Omnidirectional optical waveguide. United States: N. p., 2016. Web.
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Bora, Mihail, & Bond, Tiziana C. Omnidirectional optical waveguide. United States.
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Bora, Mihail, and Bond, Tiziana C. Tue . "Omnidirectional optical waveguide". United States. https://www.osti.gov/servlets/purl/1279971.
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@article{osti_1279971,
title = {Omnidirectional optical waveguide},
author = {Bora, Mihail and Bond, Tiziana C.},
abstractNote = {In one embodiment, a system includes a scintillator material; a detector coupled to the scintillator material; and an omnidirectional waveguide coupled to the scintillator material, the omnidirectional waveguide comprising: a plurality of first layers comprising one or more materials having a refractive index in a first range; and a plurality of second layers comprising one or more materials having a refractive index in a second range, the second range being lower than the first range, a plurality of interfaces being defined between alternating ones of the first and second layers. In another embodiment, a method includes depositing alternating layers of a material having a relatively high refractive index and a material having a relatively low refractive index on a substrate to form an omnidirectional waveguide; and coupling the omnidirectional waveguide to at least one surface of a scintillator material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {8}
}
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Works referenced in this record:

Performance of multiclad scintillating and clear waveguide fibers read out with visible light photon counters
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A Dielectric Omnidirectional Reflector
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Design and evaluation of omnidirectional one-dimensional photonic crystals
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Enlargement of omnidirectional total reflection frequency range in one-dimensional photonic crystals by using photonic heterostructures
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Porous silicon omnidirectional mirrors and distributed Bragg reflectors for planar waveguide applications
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Planar omnidirectional reflectors in chalcogenide glass and polymer
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High-quality sol-gel thin films: elaboration, studies in waveguiding configuration, and application to sol-gel scintillators
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An X-ray area detector with scintillating glass fiber optics
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Performance of multiclad scintillating and waveguide optical fibers readout with visible light photon counters
conference, October 1993

Scintillating fiber optics and their application in radiographic systems
journal, April 1991

Short-wavelength MEMS-tunable VCSELs
journal, January 2008

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