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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 4 — Feb. 15, 2011
  • pp: 573–575

Multiple narrow bandpass optical filters based on one-dimensional rugate photonic structures of two periodicities

Zhao Lu  »View Author Affiliations


Optics Letters, Vol. 36, Issue 4, pp. 573-575 (2011)
http://dx.doi.org/10.1364/OL.36.000573


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Abstract

A theoretical analysis of a design of multiple narrow bandpass filters based on one-dimensional (1D) rugate photonic structures with a period jump defect is presented. The optical properties, including transmittance and energy density distributions, are numerically calculated using the propagation matrix method. Our results show that multiple resonance transmission modes are produced when the period jump defect is introduced into the 1D rugate film. Both blueshift and redshift of the stop band of the rugate structure and wavelengths of resonant modes are observed, depending on the change of period jump. The number, the wavelengths, the band intervals, and the intensities of multiple resonance transmission modes are tunable by adjusting structure parameters of the rugate structure. Experimental feasibility of the proposed multiple narrow bandpass optical filters using the technique of glancing angle deposition is also discussed.

© 2011 Optical Society of America

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(310.6860) Thin films : Thin films, optical properties
(350.2460) Other areas of optics : Filters, interference

ToC Category:
Physical Optics

History
Original Manuscript: October 8, 2010
Revised Manuscript: January 13, 2011
Manuscript Accepted: January 14, 2011
Published: February 15, 2011

Citation
Zhao Lu, "Multiple narrow bandpass optical filters based on one-dimensional rugate photonic structures of two periodicities," Opt. Lett. 36, 573-575 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-4-573

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