Modeling and empirical characterization of the polarization response of off-plane reflection gratings

Hannah Marlowe; Randall L. McEntaffer; James H. Tutt; Casey T. DeRoo; Drew M. Miles; Leonid I. Goray; Victor Soltwisch; Frank Scholze; Analia Fernandez Herrero; Christian Laubis

doi:10.1364/AO.55.005548

Modeling and empirical characterization of the polarization response of off-plane reflection gratings

Hannah Marlowe, Randall L. McEntaffer, James H. Tutt, Casey T. DeRoo, Drew M. Miles, Leonid I. Goray, Victor Soltwisch, Frank Scholze, Analia Fernandez Herrero, Christian Laubis

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

10 Scopus citations

Abstract

Off-plane reflection gratings were previously predicted to have different efficiencies when the incident light is polarized in the transverse-magnetic (TM) versus transverse-electric (TE) orientations with respect to the grating grooves. However, more recent theoretical calculations which rigorously account for finitely conducting, rather than perfectly conducting, grating materials no longer predict significant polarization sensitivity. We present the first empirical results for radially ruled, laminar groove profile gratings in the off-plane mount, which demonstrate no difference in TM versus TE efficiency across our entire 300-1500 eV bandpass. These measurements together with the recent theoretical results confirm that grazing incidence off-plane reflection gratings using real, not perfectly conducting, materials are not polarization sensitive.

Original language	English (US)
Pages (from-to)	5548-5553
Number of pages	6
Journal	Applied optics
Volume	55
Issue number	21
DOIs	https://doi.org/10.1364/AO.55.005548
State	Published - Jul 20 2016

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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title = "Modeling and empirical characterization of the polarization response of off-plane reflection gratings",

abstract = "Off-plane reflection gratings were previously predicted to have different efficiencies when the incident light is polarized in the transverse-magnetic (TM) versus transverse-electric (TE) orientations with respect to the grating grooves. However, more recent theoretical calculations which rigorously account for finitely conducting, rather than perfectly conducting, grating materials no longer predict significant polarization sensitivity. We present the first empirical results for radially ruled, laminar groove profile gratings in the off-plane mount, which demonstrate no difference in TM versus TE efficiency across our entire 300-1500 eV bandpass. These measurements together with the recent theoretical results confirm that grazing incidence off-plane reflection gratings using real, not perfectly conducting, materials are not polarization sensitive.",

author = "Hannah Marlowe and McEntaffer, {Randall L.} and Tutt, {James H.} and DeRoo, {Casey T.} and Miles, {Drew M.} and Goray, {Leonid I.} and Victor Soltwisch and Frank Scholze and Herrero, {Analia Fernandez} and Christian Laubis",

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doi = "10.1364/AO.55.005548",

language = "English (US)",

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T1 - Modeling and empirical characterization of the polarization response of off-plane reflection gratings

AU - Marlowe, Hannah

AU - McEntaffer, Randall L.

AU - Tutt, James H.

AU - DeRoo, Casey T.

AU - Miles, Drew M.

AU - Goray, Leonid I.

AU - Soltwisch, Victor

AU - Scholze, Frank

AU - Herrero, Analia Fernandez

AU - Laubis, Christian

PY - 2016/7/20

Y1 - 2016/7/20

N2 - Off-plane reflection gratings were previously predicted to have different efficiencies when the incident light is polarized in the transverse-magnetic (TM) versus transverse-electric (TE) orientations with respect to the grating grooves. However, more recent theoretical calculations which rigorously account for finitely conducting, rather than perfectly conducting, grating materials no longer predict significant polarization sensitivity. We present the first empirical results for radially ruled, laminar groove profile gratings in the off-plane mount, which demonstrate no difference in TM versus TE efficiency across our entire 300-1500 eV bandpass. These measurements together with the recent theoretical results confirm that grazing incidence off-plane reflection gratings using real, not perfectly conducting, materials are not polarization sensitive.

AB - Off-plane reflection gratings were previously predicted to have different efficiencies when the incident light is polarized in the transverse-magnetic (TM) versus transverse-electric (TE) orientations with respect to the grating grooves. However, more recent theoretical calculations which rigorously account for finitely conducting, rather than perfectly conducting, grating materials no longer predict significant polarization sensitivity. We present the first empirical results for radially ruled, laminar groove profile gratings in the off-plane mount, which demonstrate no difference in TM versus TE efficiency across our entire 300-1500 eV bandpass. These measurements together with the recent theoretical results confirm that grazing incidence off-plane reflection gratings using real, not perfectly conducting, materials are not polarization sensitive.

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Modeling and empirical characterization of the polarization response of off-plane reflection gratings

Abstract

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