Tunable electro-optic filter stack
Abstract
A holographic polymer dispersed liquid crystal (HPDLC) tunable filter exhibits switching times of no more than 20 microseconds. The HPDLC tunable filter can be utilized in a variety of applications. An HPDLC tunable filter stack can be utilized in a hyperspectral imaging system capable of spectrally multiplexing hyperspectral imaging data acquired while the hyperspectral imaging system is airborne. HPDLC tunable filter stacks can be utilized in high speed switchable optical shielding systems, for example as a coating for a visor or an aircraft canopy. These HPDLC tunable filter stacks can be fabricated using a spin coating apparatus and associated fabrication methods.
- Inventors:
- Issue Date:
- Research Org.:
- Drexel Univ., Philadelphia, PA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1495680
- Patent Number(s):
- 10175106
- Application Number:
- 15/665,596
- Assignee:
- Drexel University (Philadelphia, PA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- DOE Contract Number:
- FG02-08ER86355
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2017 Aug 01
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Fontecchio, Adam K., Shriyan, Sameet K., and Bellingham, Alyssa. Tunable electro-optic filter stack. United States: N. p., 2019.
Web.
Fontecchio, Adam K., Shriyan, Sameet K., & Bellingham, Alyssa. Tunable electro-optic filter stack. United States.
Fontecchio, Adam K., Shriyan, Sameet K., and Bellingham, Alyssa. Tue .
"Tunable electro-optic filter stack". United States. https://www.osti.gov/servlets/purl/1495680.
@article{osti_1495680,
title = {Tunable electro-optic filter stack},
author = {Fontecchio, Adam K. and Shriyan, Sameet K. and Bellingham, Alyssa},
abstractNote = {A holographic polymer dispersed liquid crystal (HPDLC) tunable filter exhibits switching times of no more than 20 microseconds. The HPDLC tunable filter can be utilized in a variety of applications. An HPDLC tunable filter stack can be utilized in a hyperspectral imaging system capable of spectrally multiplexing hyperspectral imaging data acquired while the hyperspectral imaging system is airborne. HPDLC tunable filter stacks can be utilized in high speed switchable optical shielding systems, for example as a coating for a visor or an aircraft canopy. These HPDLC tunable filter stacks can be fabricated using a spin coating apparatus and associated fabrication methods.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {1}
}
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