Effective medium formulation for band structure design of a finite one-dimensional optical grating

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Iskander, A.A. and Yonan, W. and Tjia, M.O. and Voorde, I. van de and Groesen, E. van (2007) Effective medium formulation for band structure design of a finite one-dimensional optical grating. Japanese Journal of Applied Physics, Part 1: Regular papers, brief communications, and review papers, 46 (1). pp. 187-193. ISSN 0021-4922

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Abstract:A simple mathematical formulation is proposed for tailoring the transmission characteristics of a one-dimensional (1D) finite optical grating for its applications in the pass band and stop band regions without using anti reflection coating (ARC). In this formulation, a frequency dependent continuity function derived from effective boundary condition is shown to determine the envelope function of the transmittance curve. Using this envelope function along with the dispersion relation, the optimization of the grating parameters can be performed to achieve the desired transmittance profile over the predetermined pass band. Meanwhile, using the appropriate part of the transmittance function, the result of optimization for the stop band was also demonstrated for a specific system.
Item Type:Article
Copyright:© 2007 The Japan Society of Applied Physics
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/61746
Official URL:http://dx.doi.org/10.1143/JJAP.46.187
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