Introduction to Double Crystal

What is/are Double Crystal?

Double Crystal - To this end, a double crystal monochromator and automated alignment routines are required. ^[1] About 64 m downstream the undulator there are two retractable horizontally deflecting offset mirrors to guide the beam into A followed by a double crystal monochromator (DCM) with a maximum Bragg angle of 80 deg. ^[2] The bending magnet beamline BL38B1 at SPring-8 is equipped with X-ray optics consisting of the SPring-8 standard double crystal monochromator (DCM) with Si (111) and a vertically bent cylindrical mirror, which produce available energy ranging from 6 to 17 keV and photon flux of 8. ^[3] It was used on the second axis of a double crystal diffractometer to obtain controllable strain fields. ^[4] The DLS I13-2 beamline is equipped with a Double Crystal Monochromator (DCM) and a Multi-Layer Monochromator (MLM) to deliver monochromatic beam, which work at the energy bandwidths (ΔE/E) of 10-4 and 10-2, respectively. ^[5] Without using reflection mirror, high energy photons deposit directly on the first crystal of DCM (Double Crystal Monochromator) with power density up to 69W/mm2. ^[6] When the feed ratio of St/PVDF was high for synthesis of the CCPs, double crystallization peaks for PVDF were observed with a strong peak at about 132 °C and a weak peak at near 70 °C, indicating that partial PVDF seed particles were covered completely by PS. ^[7] X-ray double crystal rocking curve full width half maximum (FWHM) of ZnTe (422) peak was observed as 233 arcseconds for a 1. ^[8] Double crystalline multiblock copolymers exhibit two well-defined melting temperatures associated with the two phases formed by their constituent blocks. ^[9] The lattice strain maps for 4H-SiC wafers were derived from the 11-20, 1-100 (transmission geometry) and 0008 (reflection geometry) using synchrotron double crystal contour mapping method. ^[10] Both the double crystal X-ray rocking curve (DCXRC) and the photoluminescence (PL) results prove that CdZnTe film with the best crystalline quality is obtained with the combination of the first step growth at 350 °C and the second growth at 430 °C. ^[11] In this experiment, HPGe calibrated by radioactive source was used as the standard detector, and the experimental device used was a double crystal calibration device. ^[12] This paper is focused on the performance of the double crystal monochromator which is widely used at steady state neutron sources and compares simulation results based on neutron ray tracing with experimental results in order to provide a better understanding of the device. ^[13] The beamline optical elements: 1D compound refractive lens, water cooling double crystal monochromator, toroidal mirror and other optical components could be switched in the vacuum for different operational modes. ^[14] In particular, the model of the experimental reflectivity takes into account the theoretical reflectivity of the double crystal monochromator as well as the sample crystal, and a Gaussian broadening to account for mosaicity and photon energy spread. ^[15] If the product has a nonplanar surface, one should use a synthesized aperture antenna, which is a double crystal transducer (DC PET) moved along the product surface in steps of d. ^[16] Double ML monochromators (DMM) are an interesting alternative to double crystal monochromators (DCM) whenever high flux rather than high spectral resolution is required. ^[17]

double crystal monochromator

To this end, a double crystal monochromator and automated alignment routines are required. ^[1] About 64 m downstream the undulator there are two retractable horizontally deflecting offset mirrors to guide the beam into A followed by a double crystal monochromator (DCM) with a maximum Bragg angle of 80 deg. ^[2] The bending magnet beamline BL38B1 at SPring-8 is equipped with X-ray optics consisting of the SPring-8 standard double crystal monochromator (DCM) with Si (111) and a vertically bent cylindrical mirror, which produce available energy ranging from 6 to 17 keV and photon flux of 8. ^[3] The DLS I13-2 beamline is equipped with a Double Crystal Monochromator (DCM) and a Multi-Layer Monochromator (MLM) to deliver monochromatic beam, which work at the energy bandwidths (ΔE/E) of 10-4 and 10-2, respectively. ^[4] Without using reflection mirror, high energy photons deposit directly on the first crystal of DCM (Double Crystal Monochromator) with power density up to 69W/mm2. ^[5] This paper is focused on the performance of the double crystal monochromator which is widely used at steady state neutron sources and compares simulation results based on neutron ray tracing with experimental results in order to provide a better understanding of the device. ^[6] The beamline optical elements: 1D compound refractive lens, water cooling double crystal monochromator, toroidal mirror and other optical components could be switched in the vacuum for different operational modes. ^[7] In particular, the model of the experimental reflectivity takes into account the theoretical reflectivity of the double crystal monochromator as well as the sample crystal, and a Gaussian broadening to account for mosaicity and photon energy spread. ^[8] Double ML monochromators (DMM) are an interesting alternative to double crystal monochromators (DCM) whenever high flux rather than high spectral resolution is required. ^[9]