Photonic devices on planar and curved substrates and methods for fabrication thereof
Abstract
A versatile and rapid sol-gel technique for the fabrication of high quality one-dimensional photonic bandgap materials. For example, silica/titania multi-layer materials may be fabricated by a sol-gel chemistry route combined with dip-coating onto planar or curved substrate. A shock-cooling step immediately following the thin film heat-treatment process is introduced. This step was found important in the prevention of film crack formation--especially in silica/titania alternating stack materials with a high number of layers. The versatility of this sol-gel method is demonstrated by the fabrication of various Bragg stack-type materials with fine-tuned optical properties by tailoring the number and sequence of alternating layers, the film thickness and the effective refractive index of the deposited thin films. Measured optical properties show good agreement with theoretical simulations confirming the high quality of these sol-gel fabricated optical materials.
- Inventors:
- Issue Date:
- Research Org.:
- University of Utah Research Foundation, Salt Lake City, UT (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1281136
- Patent Number(s):
- 9403186
- Application Number:
- 14/362,037
- Assignee:
- University of Utah Research Foundation (Salt Lake City, UT)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
C - CHEMISTRY C23 - COATING METALLIC MATERIAL C23C - COATING METALLIC MATERIAL
- DOE Contract Number:
- EE0002768
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Nov 29
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
Citation Formats
Bartl, Michael H., Barhoum, Moussa, and Riassetto, David. Photonic devices on planar and curved substrates and methods for fabrication thereof. United States: N. p., 2016.
Web.
Bartl, Michael H., Barhoum, Moussa, & Riassetto, David. Photonic devices on planar and curved substrates and methods for fabrication thereof. United States.
Bartl, Michael H., Barhoum, Moussa, and Riassetto, David. Tue .
"Photonic devices on planar and curved substrates and methods for fabrication thereof". United States. https://www.osti.gov/servlets/purl/1281136.
@article{osti_1281136,
title = {Photonic devices on planar and curved substrates and methods for fabrication thereof},
author = {Bartl, Michael H. and Barhoum, Moussa and Riassetto, David},
abstractNote = {A versatile and rapid sol-gel technique for the fabrication of high quality one-dimensional photonic bandgap materials. For example, silica/titania multi-layer materials may be fabricated by a sol-gel chemistry route combined with dip-coating onto planar or curved substrate. A shock-cooling step immediately following the thin film heat-treatment process is introduced. This step was found important in the prevention of film crack formation--especially in silica/titania alternating stack materials with a high number of layers. The versatility of this sol-gel method is demonstrated by the fabrication of various Bragg stack-type materials with fine-tuned optical properties by tailoring the number and sequence of alternating layers, the film thickness and the effective refractive index of the deposited thin films. Measured optical properties show good agreement with theoretical simulations confirming the high quality of these sol-gel fabricated optical materials.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 02 00:00:00 EDT 2016},
month = {Tue Aug 02 00:00:00 EDT 2016}
}
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