Nanofabrication of a space-variant optical transmission filter

    Authors

    A. Mehta; R. C. Rumpf; Z. Roth;E. G. Johnson

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    Optics

    Abstract

    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. (c) 2006 Optical Society of America.

    Journal Title

    Optics Letters

    Volume

    31

    Issue/Number

    19

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    2903

    Last Page

    2905

    WOS Identifier

    WOS:000240869400029

    ISSN

    0146-9592

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