Physics Assignment | Online Homework Help
1-The sub-micron resolution x-ray spectroscopy (SRX) beamline at NSLS-II is designed for high-throughput spectroscopic imaging with sub-micron spatial resolution. It uses a double crystal monochromator equipped with Si (111) and Si (311) crystals. Cryogenic cooling of Si crystals aims to
Select one:
a. reduce the Bragg angle of diffraction
b. reduce distortions at high power densities
c. reduce X-ray absorption
d. reject higher harmonics
2- The sub-micron resolution x-ray spectroscopy (SRX) beamline at NSLS-II is designed for high-throughput spectroscopic imaging with sub-micron spatial resolution. For XANES spectroscopy it is desirable to reject higher harmonics. This may be done by
Select one:
a. Detuning the DCM relative to the undulator harmonic
b. Closing the pink beam slits
c. Slightly tilting the second crystal of the DCM relative to the first one
Slightly tilting the second crystal of the DCM relative to the first one
d. Opening the white beam slits
3- The energy resolution of a DCM depends on
Select one:
a. divergence of the beam
b. intrinsic resolution of the crystals
c. angular stability of the crystals
d. all of the above
We have to use this article
Early Science Commissioning Results of the Sub-micron Resolution X-ray Spectroscopy Beamline (SRX) in the Field of Materials Science and Engineering Yu-chen Karen Chen-Wiegart1, a), Garth Williams1 , Chonghang Zhao2 , Hua Jiang2 , Li Li1 , Michael Demkowicz3,4, Matteo Seita4 , Mike Short5 , Sara Ferry5 , Takeshi Wada6 , Hidemi Kato6 , Kang Wei Chou7 , Stanislas Petrash7 , Jaclyn
