Shutter mechanism for calibration of the cryogenic diffused infrared background experiment (DIRBE) instrument
Abstract
The design requirements, the design, the assembly and alignment, and the test program for a shutter mechanism which must operate at cryogenic temperature and draw less than 1.0 milliwatt are discussed. The design solution to meet these requirements is a device that positions a mirror with repeated accuracy, has no wearing surfaces, and operates at 2.0 K. The unique feature of this device is the simplicity of the mechanism, thus obtaining high reliability.
- Publication:
-
In NASA. Lewis Research Center The 20th Aerospace Mechanics Symposium p 97-102 (SEE N87-16321 08-39
- Pub Date:
- May 1986
- Bibcode:
- 1986aeme.symp...97T
- Keywords:
-
- Background Radiation;
- Calibrating;
- Cosmic Background Explorer Satellite;
- Couplings;
- Cryogenics;
- Linkages;
- Mechanical Devices;
- Mirrors;
- Shutters;
- Accuracy;
- Design Analysis;
- Infrared Radiation;
- Performance Tests;
- Requirements;
- Instrumentation and Photography