Development, fabrication, and metrology of the electro-optical breadboard model for the reflection grating array of the XMM grating spectrometer
Conference
·
OSTI ID:10174794
- Lawrence Livermore National Lab., CA (United States)
A prototype array consisting of eight diffraction gratings has been fabricated for the XMM Reflection Grating Spectrometer. A component of the full spectrometer is an array of approximately 200 diffraction gratings. The diffraction gratings were produced using lightweight silicon carbide substrates and a replication technique. The prototype array was developed and assembled using the same tolerances as the flight arrays which have typical tolerances of 3 {mu}m in translation and sub-arc seconds in rotation. The metrology applied during inspection and assembly included precision linear measurements, full aperture figure measurements, and angular interferometry.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Aeronautics and Space Administration, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 10174794
- Report Number(s):
- UCRL-JC-117808; CONF-940723-14; ON: DE94016605
- Resource Relation:
- Conference: Annual meeting of the Society of Photo-Optical Instrumentation Engineers,San Diego, CA (United States),24-29 Jul 1994; Other Information: PBD: Jul 1994
- Country of Publication:
- United States
- Language:
- English
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