Doubly curved imaging Bragg crystal spectrometer for X-ray astronomy

B. P. Byrnak; Finn Erland Christensen; Niels Jørgen Stenfeldt Westergaard; H. W. Schnopper

doi:10.1364/AO.24.002543

Doubly curved imaging Bragg crystal spectrometer for X-ray astronomy

B. P. Byrnak
, Finn Erland Christensen
, Niels Jørgen Stenfeldt Westergaard
, H. W. Schnopper

Danish Space Research Institute

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

An X-ray spectrometer which is sensitive in the 0.5-7-keV energy range and is intended for use onboard astronomical satellites has been studied. The Bragg reflected rays from a doubly bent crystal positioned downstream of the focal plane of a grazing-incidence concentrator are focused along the axis of a position sensitive detector. A high throughput concentrator with densely nested thin-foil conical mirrors approximating a Wolter-1 system can be used without loss of spectral resolution. Other advantages include simultaneous (scanning free) coverage of the spectral range of interest, nearly stigmatic imaging, and crystal-limited resolution

Original language	English
Journal	Applied Optics
Volume	24
Issue number	16
Pages (from-to)	2543-2547
ISSN	1559-128X
DOIs	https://doi.org/10.1364/AO.24.002543
Publication status	Published - 1985

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title = "Doubly curved imaging Bragg crystal spectrometer for X-ray astronomy",

abstract = "An X-ray spectrometer which is sensitive in the 0.5-7-keV energy range and is intended for use onboard astronomical satellites has been studied. The Bragg reflected rays from a doubly bent crystal positioned downstream of the focal plane of a grazing-incidence concentrator are focused along the axis of a position sensitive detector. A high throughput concentrator with densely nested thin-foil conical mirrors approximating a Wolter-1 system can be used without loss of spectral resolution. Other advantages include simultaneous (scanning free) coverage of the spectral range of interest, nearly stigmatic imaging, and crystal-limited resolution",

author = "Byrnak, \{B. P.\} and Christensen, \{Finn Erland\} and Westergaard, \{Niels J{\o}rgen Stenfeldt\} and Schnopper, \{H. W.\}",

year = "1985",

doi = "10.1364/AO.24.002543",

language = "English",

volume = "24",

pages = "2543--2547",

journal = "Applied Optics",

issn = "1559-128X",

publisher = "Optica Publishing Group",

number = "16",

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T1 - Doubly curved imaging Bragg crystal spectrometer for X-ray astronomy

AU - Byrnak, B. P.

AU - Christensen, Finn Erland

AU - Westergaard, Niels Jørgen Stenfeldt

AU - Schnopper, H. W.

PY - 1985

Y1 - 1985

N2 - An X-ray spectrometer which is sensitive in the 0.5-7-keV energy range and is intended for use onboard astronomical satellites has been studied. The Bragg reflected rays from a doubly bent crystal positioned downstream of the focal plane of a grazing-incidence concentrator are focused along the axis of a position sensitive detector. A high throughput concentrator with densely nested thin-foil conical mirrors approximating a Wolter-1 system can be used without loss of spectral resolution. Other advantages include simultaneous (scanning free) coverage of the spectral range of interest, nearly stigmatic imaging, and crystal-limited resolution

AB - An X-ray spectrometer which is sensitive in the 0.5-7-keV energy range and is intended for use onboard astronomical satellites has been studied. The Bragg reflected rays from a doubly bent crystal positioned downstream of the focal plane of a grazing-incidence concentrator are focused along the axis of a position sensitive detector. A high throughput concentrator with densely nested thin-foil conical mirrors approximating a Wolter-1 system can be used without loss of spectral resolution. Other advantages include simultaneous (scanning free) coverage of the spectral range of interest, nearly stigmatic imaging, and crystal-limited resolution

U2 - 10.1364/AO.24.002543

DO - 10.1364/AO.24.002543

M3 - Journal article

SN - 1559-128X

VL - 24

SP - 2543

EP - 2547

JO - Applied Optics

JF - Applied Optics

IS - 16

ER -

Doubly curved imaging Bragg crystal spectrometer for X-ray astronomy

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