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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 12 — Jun. 15, 2014
  • pp: 3512–3515

Design of optical bandpass filters based on a two-material multilayer structure

B. A. Belyaev, V. V. Tyurnev, and V. F. Shabanov  »View Author Affiliations


Optics Letters, Vol. 39, Issue 12, pp. 3512-3515 (2014)
http://dx.doi.org/10.1364/OL.39.003512


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Abstract

An easy method for designing filters with equalized passband ripples of a given magnitude is proposed. The filter, which is made of two dielectric materials, comprises coupled half-wavelength resonators and multilayer mirrors. The filter design begins with the synthesis of the multimaterial filter prototype whose mirrors consist of quarter-wavelength layers. Optimal refractive indices of the layers in the prototype are obtained by a special optimization based on universal rules. The thicknesses of the mirrors’ layers in the final filter are computed using derived formulas. A design procedure example for silicon–air bandpass filters with a fractional bandwidth of 1% is described.

© 2014 Optical Society of America

OCIS Codes
(310.4165) Thin films : Multilayer design
(310.6805) Thin films : Theory and design
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Thin Films

History
Original Manuscript: March 26, 2014
Revised Manuscript: April 30, 2014
Manuscript Accepted: May 10, 2014
Published: June 6, 2014

Citation
B. A. Belyaev, V. V. Tyurnev, and V. F. Shabanov, "Design of optical bandpass filters based on a two-material multilayer structure," Opt. Lett. 39, 3512-3515 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-12-3512

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