Computer Science – Performance
Scientific paper
Oct 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3429...48p&link_type=abstract
Proc. SPIE Vol. 3429, p. 48-55, Current Developments in Optical Design and Engineering VII, Robert E. Fischer; Lawrence M. Germa
Computer Science
Performance
Scientific paper
A critical component in the 2-micrometer coherent spaced-based lidar system (SPARCLE) is the compact, off-axis, 25-cm aperture telescope. The stressing optical performance demanded from this telescope coupled with the difficulty associated with aligning such a fast, off-axis system; has created the need for a multiple-axis alignment stage for the secondary mirror. Precision micrometer kinematic mounts were used in the laboratory to demonstrate the ability to successfully align the telescope. For the flight configuration, a more robust and considerably smaller stage (both in size and weight) had to be designed in order to fit within the space shuttle packaging constraints. The new stage operates with multiple degrees of freedom of motion to achieve micrometer precision alignment and then uses a mechanical multiple point support to lock-in the alignment and provide stability. The optomechanical design of the flight stage is described.
Amzajerdian Farzin
Bailey Deborah
Blackwell Timothy S.
Geary Joseph M.
Li Ye
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