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[ Identification | Description | Input parameters | Links ]
The SOLEIL_CASSIOPEE Instrument
CASSIOPEE beamline at SOLEIL
Identification
- Site: SOLEIL
- Author: François Bertran
- Origin: SOLEIL
- Date: 11/03/2022
Description
CASSIOPEE : Combined Angle- and Spin-resolved SpectroscopIes Of PhotoEmitted Electrons The CASSIOPEE beamline is dedicated to photoemission experiments in the 8 eV - 1500 eV photon energy range. The beamline uses two undulators, and the main optical elements are the entrance optics and the monochromator. After the monochromator, the beamline is divided into two branches, supplying photons to two endstations (Spin-resolved Photoemission, and High Resolution Angle-resolved Photoemission), both connected to a Molecular Beam Epitaxy chamber. Position | Element ---------|-------------------------------------------------------------------- 0 | Undulator HU60 / HU256 21.83 | Plane mirror M1a 22.18 | Spherical mirror M1b 28.83 | Plane grating (reflection) 29.02 | Plane mirror M2 30.83 | Slit
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default |
| mirror_material | str | Mirror M1 coating (e.g. Pt.dat) | "Pt.dat" |
| undulator_index | 1-2 | Undulator 1=HU60; 2=HU256 | 1 |
| M1_angle | deg | M1 mirror angle. 0=auto | 0 |
| PG_angle | deg | Reflective grating monochromator. 0=auto | 0 |
| PM_angle | deg | M2 mirror angle. 0=auto | 0 |
| E0 | keV | Undulator emission energy, e.g. 40e-3 or 300e-3 keV. 0=auto | 0 |
| dE | keV | Undulator energy bandwidth, e.g. 1e-3. | 1e-3 |
| lambda | Ang | Undulator emission wavelength. Used when E0=0. | 0 |
| beta_mono | deg | Monochromator angle. 0=auto | 0 |
| r_rho | /mm | Grating number of lines/mm. 0=auto. | 0 |
Links
- Source code for
SOLEIL_CASSIOPEE.instr. - https://www.synchrotron-soleil.fr/en/beamlines/cassiopee
- https://www.researchgate.net/deref/https%3A%2F%2Ftel.archives-ouvertes.fr%2Ftel-01064523
[ Identification | Description | Input parameters | Links ]
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