Improved polarizer in the infrared : two wire-grid polarizers in tandem

J.H.W.G. Boer, den; G.M.W. Kroesen; W. de Zeeuw; F.J. Hoog, de

doi:10.1364/OL.20.000800

Improved polarizer in the infrared : two wire-grid polarizers in tandem

J.H.W.G. Boer, den, G.M.W. Kroesen, W. de Zeeuw, F.J. Hoog, de

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Abstract

A widely used polarizer in the IR is the wire-grid polarizer. Wire-grid polarizers with a typical minimal wire spacing of ,0.25 mm perform well in the middle IR and the far IR, but in the near IR the performance deteriorates as the wavelength approaches the wire spacing. A possibility for improving this performance is to put two wire grids in tandem with their transmission axes parallel. Starting with the extended Mueller matrix description for a single wire grid, we present a mathematical treatment of this tandem polarizer showing that performance improves quadratically; e.g., a single polarizer extinction ratio of 100 increases to a tandem extinction of 10,000. The improved performance is also verified experimentally.

Original language	English
Pages (from-to)	800-802
Number of pages	3
Journal	Optics Letters
Volume	20
Issue number	7
DOIs	https://doi.org/10.1364/OL.20.000800
Publication status	Published - 1995

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title = "Improved polarizer in the infrared : two wire-grid polarizers in tandem",

abstract = "A widely used polarizer in the IR is the wire-grid polarizer. Wire-grid polarizers with a typical minimal wire spacing of ,0.25 mm perform well in the middle IR and the far IR, but in the near IR the performance deteriorates as the wavelength approaches the wire spacing. A possibility for improving this performance is to put two wire grids in tandem with their transmission axes parallel. Starting with the extended Mueller matrix description for a single wire grid, we present a mathematical treatment of this tandem polarizer showing that performance improves quadratically; e.g., a single polarizer extinction ratio of 100 increases to a tandem extinction of 10,000. The improved performance is also verified experimentally.",

author = "{Boer, den}, J.H.W.G. and G.M.W. Kroesen and {de Zeeuw}, W. and {Hoog, de}, F.J.",

year = "1995",

doi = "10.1364/OL.20.000800",

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T1 - Improved polarizer in the infrared : two wire-grid polarizers in tandem

AU - Boer, den, J.H.W.G.

AU - Kroesen, G.M.W.

AU - de Zeeuw, W.

AU - Hoog, de, F.J.

PY - 1995

Y1 - 1995

N2 - A widely used polarizer in the IR is the wire-grid polarizer. Wire-grid polarizers with a typical minimal wire spacing of ,0.25 mm perform well in the middle IR and the far IR, but in the near IR the performance deteriorates as the wavelength approaches the wire spacing. A possibility for improving this performance is to put two wire grids in tandem with their transmission axes parallel. Starting with the extended Mueller matrix description for a single wire grid, we present a mathematical treatment of this tandem polarizer showing that performance improves quadratically; e.g., a single polarizer extinction ratio of 100 increases to a tandem extinction of 10,000. The improved performance is also verified experimentally.

AB - A widely used polarizer in the IR is the wire-grid polarizer. Wire-grid polarizers with a typical minimal wire spacing of ,0.25 mm perform well in the middle IR and the far IR, but in the near IR the performance deteriorates as the wavelength approaches the wire spacing. A possibility for improving this performance is to put two wire grids in tandem with their transmission axes parallel. Starting with the extended Mueller matrix description for a single wire grid, we present a mathematical treatment of this tandem polarizer showing that performance improves quadratically; e.g., a single polarizer extinction ratio of 100 increases to a tandem extinction of 10,000. The improved performance is also verified experimentally.

U2 - 10.1364/OL.20.000800

DO - 10.1364/OL.20.000800

M3 - Article

VL - 20

SP - 800

EP - 802

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 7

ER -

Improved polarizer in the infrared : two wire-grid polarizers in tandem

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