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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 19 — Oct. 1, 2006
  • pp: 2903–2905

Nanofabrication of a space-variant optical transmission filter

A. Mehta, R. C. Rumpf, Z. Roth, and E. G. Johnson  »View Author Affiliations

Optics Letters, Vol. 31, Issue 19, pp. 2903-2905 (2006)

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A space-variant optical transmission filter is demonstrated for which a simplified process is used to tailor the spatial response of the filter across the surface of a single wafer. A multilayer stack, of alternating high or low refractive index dielectric materials, was used to produce a narrow transmission notch in the center of a wide stop band. Subsequent patterning and etching of arrays of holes through the volume of the dielectric stack was performed to control the fill factor of the dielectric in the layers. The position of the transmission notch within the reflection spectrum was varied across the device surface by adjusting the hole diameter of the hole arrays. Experimental and numerical simulation were used to confirm the space-variant transmission characteristics of a single-wafer sample with two zones of different hole diameter arrays in the 1550 nm wavelength regime.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Optical Design and Fabrication

Original Manuscript: May 22, 2006
Manuscript Accepted: July 19, 2006
Published: September 11, 2006

A. Mehta, R. C. Rumpf, Z. Roth, and E. G. Johnson, "Nanofabrication of a space-variant optical transmission filter," Opt. Lett. 31, 2903-2905 (2006)

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