Modelling of infrared bandpass filters using three-dimensional FDTD method

R. Qiang; J. Chen; T. Zhao; S. Wang; P. Ruchhoeft; M. Morgan

doi:10.1049/el:20051013

Modelling of infrared bandpass filters using three-dimensional FDTD method

R. Qiang, J. Chen, T. Zhao, S. Wang, P. Ruchhoeft, M. Morgan

Department of Biomedical Engineering

University of Houston

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A three-dimensional finite-difference time-domain algorithm was developed to model the spectral behaviour of infrared bandpass filters consisting of plus-shaped openings in a thin gold film. This algorithm incorporates the Lorentz-Drude model to accurately describe the frequency-dependent permittivity of the gold at IR frequencies. The computed transmission spectrum is compared with measured data and excellent agreement between the two results is observed.

Original language	English
Pages (from-to)	914-915
Number of pages	2
Journal	Electronics Letters
Volume	41
Issue number	16
DOIs	https://doi.org/10.1049/el:20051013
State	Published - 4 Aug 2005

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title = "Modelling of infrared bandpass filters using three-dimensional FDTD method",

abstract = "A three-dimensional finite-difference time-domain algorithm was developed to model the spectral behaviour of infrared bandpass filters consisting of plus-shaped openings in a thin gold film. This algorithm incorporates the Lorentz-Drude model to accurately describe the frequency-dependent permittivity of the gold at IR frequencies. The computed transmission spectrum is compared with measured data and excellent agreement between the two results is observed.",

author = "R. Qiang and J. Chen and T. Zhao and S. Wang and P. Ruchhoeft and M. Morgan",

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T1 - Modelling of infrared bandpass filters using three-dimensional FDTD method

AU - Qiang, R.

AU - Chen, J.

AU - Zhao, T.

AU - Wang, S.

AU - Ruchhoeft, P.

AU - Morgan, M.

PY - 2005/8/4

Y1 - 2005/8/4

N2 - A three-dimensional finite-difference time-domain algorithm was developed to model the spectral behaviour of infrared bandpass filters consisting of plus-shaped openings in a thin gold film. This algorithm incorporates the Lorentz-Drude model to accurately describe the frequency-dependent permittivity of the gold at IR frequencies. The computed transmission spectrum is compared with measured data and excellent agreement between the two results is observed.

AB - A three-dimensional finite-difference time-domain algorithm was developed to model the spectral behaviour of infrared bandpass filters consisting of plus-shaped openings in a thin gold film. This algorithm incorporates the Lorentz-Drude model to accurately describe the frequency-dependent permittivity of the gold at IR frequencies. The computed transmission spectrum is compared with measured data and excellent agreement between the two results is observed.

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DO - 10.1049/el:20051013

M3 - Article

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VL - 41

SP - 914

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JO - Electronics Letters

JF - Electronics Letters

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ER -

Modelling of infrared bandpass filters using three-dimensional FDTD method

Abstract

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