Friday, May 8, 2009

2 kinds of wavefront cameras

Darragh earned his learner's licence for driving the Faro for the first time this morning as we measured the top of M4, the plane of the back of M2 & the surface of the NRS simulator ring that the Faro & the SAC are attached to.

With the Shack-Hartmann wavefront camera misbehaving this evening, the old Hartmann wavefront camera was dug out. Very neat to be able to see the hexagonal lenslet array in the former & a similar array of holes in the latter (left & right respectively in the images below).

Tomorrow we're off to Cape Town again for a couple of days. It's not clear that we'll be able to function without playing a game of pool after every meal...

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