Diamond-based semi-transparent beam-position monitor for synchrotron radiation applications

P. Bergonzo; A. Brambilla; D. Tromson; R. D. Marshall; C. Jany; F. Foulon; C. Gauthier; V. A. Solé; A. Rogalev; J. Goulon

doi:10.1107/S090904959801509X

Diamond-based semi-transparent beam-position monitor for synchrotron radiation applications

P. Bergonzo, A. Brambilla, D. Tromson, R. D. Marshall, C. Jany, F. Foulon, C. Gauthier, V. A. Solé, A. Rogalev, J. Goulon

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Abstract

A soft X-ray beam-position monitor based on a thin CVD diamond photodetector has been developed for use on third-generation synchrotron radiation facilities, and has been tested on beamlines ID26 and ID12 at the European Synchrotron Radiation Facility. Since diamond exhibits a low absorption to low-energy X-ray photons, this device allows beam-position monitoring with very little beam attenuation at photon energies as low as 2 keV. The devices presented here find their use essentially on low-energy monochromatic beamlines with narrow beam sizes (typically below 1 mm²). Measurements performed on a 20 μm-thick device show that a position sensitivity of 2 μm can readily be achieved with a photon flux attenuation of 22% at 4 keV. This allows permanent in-situ monitoring of beam instabilities during experiments.

Original language	British English
Pages (from-to)	1-5
Number of pages	5
Journal	Journal of Synchrotron Radiation
Volume	6
Issue number	1
DOIs	https://doi.org/10.1107/S090904959801509X
State	Published - 1 Jan 1999

Keywords

Beam-position monitors
CVD diamond
Detectors
X-rays

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10.1107/S090904959801509X

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title = "Diamond-based semi-transparent beam-position monitor for synchrotron radiation applications",

abstract = "A soft X-ray beam-position monitor based on a thin CVD diamond photodetector has been developed for use on third-generation synchrotron radiation facilities, and has been tested on beamlines ID26 and ID12 at the European Synchrotron Radiation Facility. Since diamond exhibits a low absorption to low-energy X-ray photons, this device allows beam-position monitoring with very little beam attenuation at photon energies as low as 2 keV. The devices presented here find their use essentially on low-energy monochromatic beamlines with narrow beam sizes (typically below 1 mm2). Measurements performed on a 20 μm-thick device show that a position sensitivity of 2 μm can readily be achieved with a photon flux attenuation of 22% at 4 keV. This allows permanent in-situ monitoring of beam instabilities during experiments.",

keywords = "Beam-position monitors, CVD diamond, Detectors, X-rays",

author = "P. Bergonzo and A. Brambilla and D. Tromson and Marshall, {R. D.} and C. Jany and F. Foulon and C. Gauthier and Sol{\'e}, {V. A.} and A. Rogalev and J. Goulon",

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doi = "10.1107/S090904959801509X",

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AU - Bergonzo, P.

AU - Brambilla, A.

AU - Tromson, D.

AU - Marshall, R. D.

AU - Jany, C.

AU - Foulon, F.

AU - Gauthier, C.

AU - Solé, V. A.

AU - Rogalev, A.

AU - Goulon, J.

PY - 1999/1/1

Y1 - 1999/1/1

N2 - A soft X-ray beam-position monitor based on a thin CVD diamond photodetector has been developed for use on third-generation synchrotron radiation facilities, and has been tested on beamlines ID26 and ID12 at the European Synchrotron Radiation Facility. Since diamond exhibits a low absorption to low-energy X-ray photons, this device allows beam-position monitoring with very little beam attenuation at photon energies as low as 2 keV. The devices presented here find their use essentially on low-energy monochromatic beamlines with narrow beam sizes (typically below 1 mm2). Measurements performed on a 20 μm-thick device show that a position sensitivity of 2 μm can readily be achieved with a photon flux attenuation of 22% at 4 keV. This allows permanent in-situ monitoring of beam instabilities during experiments.

AB - A soft X-ray beam-position monitor based on a thin CVD diamond photodetector has been developed for use on third-generation synchrotron radiation facilities, and has been tested on beamlines ID26 and ID12 at the European Synchrotron Radiation Facility. Since diamond exhibits a low absorption to low-energy X-ray photons, this device allows beam-position monitoring with very little beam attenuation at photon energies as low as 2 keV. The devices presented here find their use essentially on low-energy monochromatic beamlines with narrow beam sizes (typically below 1 mm2). Measurements performed on a 20 μm-thick device show that a position sensitivity of 2 μm can readily be achieved with a photon flux attenuation of 22% at 4 keV. This allows permanent in-situ monitoring of beam instabilities during experiments.

KW - Beam-position monitors

KW - CVD diamond

KW - Detectors

KW - X-rays

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Diamond-based semi-transparent beam-position monitor for synchrotron radiation applications

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Keywords

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