Free-standing subwavelength metallic gratings for snapshot multispectral imaging

Riad Hadar; Gŕgory Vincent; Stéphane Collin; Nathalie Bardou; Nicolas Gúrineau; Joël Deschamps; Jean Luc Pelouard

doi:10.1063/1.3442487

Free-standing subwavelength metallic gratings for snapshot multispectral imaging

Riad Hadar
, Gŕgory Vincent
, Stéphane Collin
, Nathalie Bardou
, Nicolas Gúrineau
, Joël Deschamps
, Jean Luc Pelouard

Research output: Contribution to journal › Article › peer-review

Abstract

A mosaic of ten spectral filters has been fabricated in a single 20 mm ² membrane drilled by nanoslits and coated by a gold layer. The nanostructured core-shell gratings exhibit 70% average maximum transmission efficiency in 15% aperture area, which represents a fivefold enhancement compared to the geometrical transmission. This mosaic of bandpass filters regularly spaced in the 3-5 μm wavelength range is used to demonstrate real-time spectral imaging in a multichannel camera.

Original language	English
Article number	221104
Journal	Applied Physics Letters
Volume	96
Issue number	22
DOIs	https://doi.org/10.1063/1.3442487
Publication status	Published - 31 May 2010
Externally published	Yes

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10.1063/1.3442487

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title = "Free-standing subwavelength metallic gratings for snapshot multispectral imaging",

abstract = "A mosaic of ten spectral filters has been fabricated in a single 20 mm 2 membrane drilled by nanoslits and coated by a gold layer. The nanostructured core-shell gratings exhibit 70\% average maximum transmission efficiency in 15\% aperture area, which represents a fivefold enhancement compared to the geometrical transmission. This mosaic of bandpass filters regularly spaced in the 3-5 μm wavelength range is used to demonstrate real-time spectral imaging in a multichannel camera.",

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AU - Hadar, Riad

AU - Vincent, Gŕgory

AU - Collin, Stéphane

AU - Bardou, Nathalie

AU - Gúrineau, Nicolas

AU - Deschamps, Joël

AU - Pelouard, Jean Luc

PY - 2010/5/31

Y1 - 2010/5/31

N2 - A mosaic of ten spectral filters has been fabricated in a single 20 mm 2 membrane drilled by nanoslits and coated by a gold layer. The nanostructured core-shell gratings exhibit 70% average maximum transmission efficiency in 15% aperture area, which represents a fivefold enhancement compared to the geometrical transmission. This mosaic of bandpass filters regularly spaced in the 3-5 μm wavelength range is used to demonstrate real-time spectral imaging in a multichannel camera.

AB - A mosaic of ten spectral filters has been fabricated in a single 20 mm 2 membrane drilled by nanoslits and coated by a gold layer. The nanostructured core-shell gratings exhibit 70% average maximum transmission efficiency in 15% aperture area, which represents a fivefold enhancement compared to the geometrical transmission. This mosaic of bandpass filters regularly spaced in the 3-5 μm wavelength range is used to demonstrate real-time spectral imaging in a multichannel camera.

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U2 - 10.1063/1.3442487

DO - 10.1063/1.3442487

M3 - Article

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SN - 0003-6951

VL - 96

JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Free-standing subwavelength metallic gratings for snapshot multispectral imaging

Abstract

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