VUV-SX spherical grating monochromator for BEPC beamline 4B9B
The BEPC beamline 4B9B is intended for VUV-SX photoelectron spectroscopy and other soft x-ray applications. The beamline optical system consists of a focusing mirror system and a VUV-SX spherical grating monochromator with four gratings, which cover a large spectral range 10--1100 eV. Three laminar gratings (1100, 500, and 200 lines/mm) with a 57--m radius are used at a 174/degree/ including angle, and the other grating (600 lines/mm) with a 6-m radius is used at a 142/degree/ including angle to be suited for low-energy use. Scanning is achieved by the rotation of the grating, and a pair of stepping motor-driven slits follow the Rowland circle to improve the monochromator's performance. The optical design and ray tracing results about this monochromator are described
- Research Organization:
- Institute of High Energy Physics, Academia Sinica, P. O. Box 918, Beijing, China (CN)
- OSTI ID:
- 5908492
- Journal Information:
- Rev. Sci. Instrum.; (United States), Vol. 60:7
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
MONOCHROMATORS
DESIGN
X-RAY EQUIPMENT
AUGMENTATION
EV RANGE 10-100
EV RANGE 100-1000
GRATINGS
KEV RANGE 01-10
MIRRORS
PERFORMANCE
PHOTOELECTRON SPECTROSCOPY
ROTATION
SOFT X RADIATION
SPHERICAL CONFIGURATION
STORAGE RINGS
USES
CONFIGURATION
ELECTROMAGNETIC RADIATION
ELECTRON SPECTROSCOPY
ENERGY RANGE
EQUIPMENT
EV RANGE
IONIZING RADIATIONS
KEV RANGE
MOTION
RADIATIONS
SPECTROSCOPY
X RADIATION
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