Transcript ppt

Proposed Raft Metrology
P. O’Connor, P. Takacs, S. Plate
LSST Camera Workshop
SLAC Sept. 16 - 19, 2008
Parallel optical flat transfers plane of KM spheres to
annular optical flat
6” optical parallel
Keyence LT-9030
annular optical flat
or gauge blocks
DATUM
ceramic precision
spheres from same
lot as GRID KM
LSST Camera Workshop
SLAC Sept. 16 - 19, 2008
Sensors adjusted to coincide with transferred DATUM
Keyence capture range
sensors to be planarized
raft
LSST Camera Workshop
SLAC Sept. 16 - 19, 2008
Raft metrology at -100C
raft
LSST Camera Workshop
SLAC Sept. 16 - 19, 2008