An oblique-angle infrared circular polarization filter using a Bezier surface representation

Jason Ashbach; Douglas Henry Werner

doi:10.1109/APS.2015.7305070

An oblique-angle infrared circular polarization filter using a Bezier surface representation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper proposes a method to determine CO2 concentration by measuring relative circular polarization using 2D periodic unit cells of Bezier surfaces optimized using the Covariance Matrix Adaptation Evolution Strategy. The CO2 absorption spectrum has a peak which can be useful for measurement at 4.3 μm. A filter was designed to separate circularly polarized components of light at this frequency using the Covariance Matrix Adaptation Evolutionary Strategy (CMA-ES). The filter presented is capable of blocking the effects due to nearby absorption bands such as the N2O band at 4.5 μm.

Original language	English (US)
Title of host publication	2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1362-1363
Number of pages	2
ISBN (Electronic)	9781479978151
DOIs	https://doi.org/10.1109/APS.2015.7305070
State	Published - Oct 22 2015
Event	IEEE Antennas and Propagation Society International Symposium, APS 2015 - Vancouver, Canada Duration: Jul 19 2015 → Jul 24 2015

Publication series

Name	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume	2015-October
ISSN (Print)	1522-3965

Other

Other	IEEE Antennas and Propagation Society International Symposium, APS 2015
Country/Territory	Canada
City	Vancouver
Period	7/19/15 → 7/24/15

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/APS.2015.7305070

Cite this

Ashbach, J., & Werner, D. H. (2015). An oblique-angle infrared circular polarization filter using a Bezier surface representation. In 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings (pp. 1362-1363). Article 7305070 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2015-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APS.2015.7305070

Ashbach, Jason ; Werner, Douglas Henry. / An oblique-angle infrared circular polarization filter using a Bezier surface representation. 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. pp. 1362-1363 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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title = "An oblique-angle infrared circular polarization filter using a Bezier surface representation",

abstract = "This paper proposes a method to determine CO2 concentration by measuring relative circular polarization using 2D periodic unit cells of Bezier surfaces optimized using the Covariance Matrix Adaptation Evolution Strategy. The CO2 absorption spectrum has a peak which can be useful for measurement at 4.3 μm. A filter was designed to separate circularly polarized components of light at this frequency using the Covariance Matrix Adaptation Evolutionary Strategy (CMA-ES). The filter presented is capable of blocking the effects due to nearby absorption bands such as the N2O band at 4.5 μm.",

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Ashbach, J & Werner, DH 2015, An oblique-angle infrared circular polarization filter using a Bezier surface representation. in 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings., 7305070, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), vol. 2015-October, Institute of Electrical and Electronics Engineers Inc., pp. 1362-1363, IEEE Antennas and Propagation Society International Symposium, APS 2015, Vancouver, Canada, 7/19/15. https://doi.org/10.1109/APS.2015.7305070

An oblique-angle infrared circular polarization filter using a Bezier surface representation. / Ashbach, Jason; Werner, Douglas Henry.
2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2015. p. 1362-1363 7305070 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2015-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AB - This paper proposes a method to determine CO2 concentration by measuring relative circular polarization using 2D periodic unit cells of Bezier surfaces optimized using the Covariance Matrix Adaptation Evolution Strategy. The CO2 absorption spectrum has a peak which can be useful for measurement at 4.3 μm. A filter was designed to separate circularly polarized components of light at this frequency using the Covariance Matrix Adaptation Evolutionary Strategy (CMA-ES). The filter presented is capable of blocking the effects due to nearby absorption bands such as the N2O band at 4.5 μm.

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Ashbach J, Werner DH. An oblique-angle infrared circular polarization filter using a Bezier surface representation. In 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2015. p. 1362-1363. 7305070. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). doi: 10.1109/APS.2015.7305070

An oblique-angle infrared circular polarization filter using a Bezier surface representation

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