Polarization<i>Pendellösung</i>and the Generation of Circularly Polarized X Rays with a Quarter-Wave Plate

Golovchenko, Jene Andrew; Kincaid, B. M.; Levesque, R. A.; Meixner, A. E.; Kaplan, D.

doi:10.1103/physrevlett.57.202

Cited by 70 publications

(14 citation statements)

References 13 publications

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“…This phenomenon was first evidenced experimentally by Skalicky and Malgrange with X-ray tubes [24] and more recently by Golovchenko et al [27] with synchrotron radiation. At this stage it is necessary to recall some results of X-ray dynamical theory upon which the principles of linear and circular polarizers are based.…”

Section: Polarizationmentioning

confidence: 92%

X-Ray Optics for Synchrotron Radiation

Malgrange

1992

Acta Phys. Pol. A

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This paper presents the main optical devices used to prepare a beam from X-ray synchrotron source: monochromators, flat or curved in order to intercept a larger angular divergence at the sample, mirrors and, finally, optics for polarized X-ray experiments. Since X-ray optics is based either on total reflection or on diffraction by perfect crystals, the basic fundamental results of X-ray dynamical theory, which are necessary to understand the reasons why one device should be chosen rather than the other, are also presented.

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Section: Polarizationmentioning

confidence: 92%

X-Ray Optics for Synchrotron Radiation

Malgrange

1992

Acta Phys. Pol. A

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“…This design utilizes a conventional double-crystal monochromator and a forward diffracted Laue reflection. The Laue crystul is oriented such that either the (220) or (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20) reflections can be excited through the rotation of only a few arcminutes. Because these reflections are crystdlographically equivalent and perpendicular, they can produce right or left CP x-rays, respectively.…”

Section: Bragg-laue X-ray Phase Retardermentioning

confidence: 99%

“…The whole optical element is 79 mm long, which results in a 5 mm separation of the (220) and (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20) beams at the exit face. The thickness of the Laue portion is 14.8 1 mm, which is optimal for operation at 86 keV.…”

Section: Bragg-laue X-ray Phase Retardermentioning

confidence: 99%

A high energy phase retarder for the simultaneous production of right- and left-handed circularly polarized x rays

Venkataraman

Lang

Nelson

et al. 1998

Review of Scientific Instruments

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We have fabricated and characterized the perfoimance of a monolithic Ge Bragg-Laue phase retarder capable of simultaneously producing both right-and left-handed circularly polarized xrays. The energy range of operation of the phase retarder is between 50 and 100 keV making it well suited to the measurement of spin-dependent Compton profiles within the impulse approximation, primarily because of the increased momentum resolution and larger Compton scattering cross section available at these higher incident energies. Although the phase retarder was optimized for operation at 86 keV, it can produce highly circularly polarized x-rays over a substantial energy range. The perfoimance of the phase retarder was tested via magnetic Compton scattering measurements on an Fe sample at the undulator A of the Advanced Photon Source. It was found to perform well in terms of flux and degree of circular polarization thereby greatly reducing the data collection times required for this inherently weak scattering process.

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“…From that time on, in cooperation with the advent of synchrotron radiation, several candidates of re¯ection-type phase retarder using X-rays re¯ected by perfect crystals were suggested by Hart (1978), Annaka et al (1980), Annaka (1982), Golovchenko et al (1986) and Mills (1987), but did not reach general practical use. In this period, Hart & Rodrigues (1979) developed an energy-tunable X-ray polarizer and analyzer working with an extremely high extinction ratio ('-polarization: %-polarization re¯ectivity ratio b10 4 ).…”

Section: Introductionmentioning

confidence: 99%

X-ray four-quadrant diamond phase-retarder system to compensate for off-axis and chromatic aberrations

Okitsu¹,

Ueji²,

Sato³

et al. 2002

Acta Cryst Sect A

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An X-ray transmission-type double phase-retarder system that can compensate for off-axis aberration (phase-shift inhomogeneity due to angular divergence of incident X-rays) has been developed and its advantage over a conventional single transmission-type X-ray phase retarder was demonstrated. However, it was noticed that the transmission-type X-ray phase retarder suffers from not only off-axis aberration but also chromatic aberration (phase-shift inhomogeneity due to energy spread of incident X-rays). In this paper, a transmissiontype X-ray four-quadrant phase-retarder system is proposed that can compensate for both off-axis and chromatic aberrations. The X-ray fourquadrant phase-retarder system is composed of four transmission-type X-ray phase retarders. The scattering planes of four phase-retarder diamond crystals are set to be inclined by 45 HH angular divergence (FWHM) of incident X-rays, the X-ray fourquadrant phase-retarder system created 0.98 degree of vertical-linear polarization from horizontal-linear polarization. This value was favorably compared to 0.89 and 0.96, which were obtained by the single and double phase-retarder systems, respectively. The principle of the X-ray four-quadrant phase-retarder system will be described together with its advantage over the single and double phase-retarder systems.

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PolarizationPendellösungand the Generation of Circularly Polarized X Rays with a Quarter-Wave Plate

Cited by 70 publications

References 13 publications

X-Ray Optics for Synchrotron Radiation

X-Ray Optics for Synchrotron Radiation

A high energy phase retarder for the simultaneous production of right- and left-handed circularly polarized x rays

X-ray four-quadrant diamond phase-retarder system to compensate for off-axis and chromatic aberrations

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