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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 18 — Jun. 20, 2005
  • pp: 3774–3783

Fourier analysis of harmonic frequency transmission dielectric structures

María del Mar Sánchez-López, Joaquín Cos, Jeffrey A. Davis, Darren A. Miller, and Ignacio Moreno  »View Author Affiliations


Applied Optics, Vol. 44, Issue 18, pp. 3774-3783 (2005)
http://dx.doi.org/10.1364/AO.44.003774


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Abstract

We use an analytical calculation based on the Fourier-transform method to study the transmission spectra of multilayer dielectric optical structures as a function of the relative widths of the layers that constitute the unit cell. We can select which harmonics of the fundamental design frequency are transmitted. The results of this Fourier-transform approach are compared with the exact transmission calculated by means of the transfer matrix method and provide a more intuitive understanding of the transmission spectrum. A simple phasor diagram is derived from this Fourier-transform analysis for this purpose. Inasmuch as it is difficult for us to perform experiments in the optical region, we fabricate rf analogs of these structures, using coaxial cables that have different impedances. Experimental results agree with theory.

© 2005 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.4790) Fourier optics and signal processing : Spectrum analysis
(190.4160) Nonlinear optics : Multiharmonic generation
(310.1620) Thin films : Interference coatings
(310.6860) Thin films : Thin films, optical properties

History
Original Manuscript: June 14, 2004
Revised Manuscript: December 23, 2004
Manuscript Accepted: January 28, 2005
Published: June 20, 2005

Citation
María del Mar Sánchez-López, Joaquín Cos, Jeffrey A. Davis, Darren A. Miller, and Ignacio Moreno, "Fourier analysis of harmonic frequency transmission dielectric structures," Appl. Opt. 44, 3774-3783 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-18-3774

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