Applications of Circularly Polarized Radiation Using Synchrotron and Ordinary Sources
viii The experimental research presented at the conference and reported here deals mainly with the visible wavelength region and slight extensions to either side (roughly from 150 nrn to 1000 nrn, 8. 3 eV to 1. 2 eV). A single exception was that dealing with a description of spin-resolved photoelectron spectroscopy at energies up to 40 eV (31 nm). This work was done using circularly polarized radiation emitted above and below the plane of the circulating electrons in a synchrotron ring. The device at BESSY (West Germany) in which the experiments were carried out seems to be the only one presently capable of providing circularly polarized radiation in the X--ray through vacuum ultraviolet energy range. A much more intense source is needed in this range. A possible solution was proposed which could provide not only circularly polarized photons over a wide energy range, but could in principle modulate the polarization of the beam between two orthogonal polarization states. Realization of this device, or an equivalent one, would be a vital step towards the goal of determining all components of the Mueller matrix for each spectroscopic experiment. A variety of theoretical treatments are presented describing the different phenomena emerging from the interaction of matter and polarized radiation in a wide range of energies. From this work we expect to learn what are the most useful wavelength regions and what types of samples are the most suitable for study.
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Circularly Polarized UUV Radiation Up to 40 eV
CIDS Calculations on Quartz at Hard XRay
A Crossed Undulator System for a Variable
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Applications of Circularly Polarized Radiation Using Synchrotron and ...
Fritz Allen,Carlos Bustamante
No preview available - 2013
absorption angle atoms Biopolymers Bustamante calculations CD bands CD spectra Chem chiral cholesteric cholesteric liquid crystals CIDS patterns circular dichroism measurements circular dichroism spectrum circularly polarized light components crossed undulator system curve detector dipole electric field electron beam equation experimental free-electron laser frequency function galactomannan Heinzmann helical helix incident light Instr instrument interaction light scattering linear polarization liquid crystals Maestre magnetic circular dichroism magnitude matrix elements Meths molecular molecules monochromator Mueller matrix natural circular dichroism Nucl nucleosome obtained optical activity orientation parameters Patricia Ann Snyder photoelastic modulator photomultiplier photon energies Phys pitch plane region right circularly polarized Rosenfeld approximation rotation Rydberg transitions sample scattering matrix shown in Fig signal spectral bandwidth spectroscopy Stokes vector storage ring structure Synchrotron Radiation Center theoretical Tinoco unit cell University of Wisconsin-Madison vacuum ultraviolet values vibrational VUCD wave wavelength wiggler