Efficiency and stray light measurements and calculations of diffraction gratings for the ALS
Conference
·
OSTI ID:110758
Water cooled gratings manufactured for spherical grating monochromators of the Advanced Light Source beamlines 7.0, 8.0 and 9.0 were measured with the laser plasma source and reflectometer in the Center for X-ray Optics at LBL. The square-wave gratings are ion-milled into the polished electroless nickel surface after patterning by holographic photolithography. Absolute efficiency data are compared with exact electromagnetic theory calculation. Inter-order stray light and groove depths can be estimated from the measurements.
- Research Organization:
- Lawrence Berkeley Lab., CA (US)
- Sponsoring Organization:
- USDOE, Washington, DC (US)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 110758
- Report Number(s):
- LBL--35550; CONF-940714-56; ON: DE96001115
- Country of Publication:
- United States
- Language:
- English
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