[ATM] Subaperture Corrector for Two Mirror Telescope

["Richard F.L.R. Snashall" <rflrs@rcn.com>]

Didn't someone want something like this at one time:

Surf      Radius      Thickness     Glass      Diameter       Conic
 OBJ     Infinity      Infinity                       0           0
 STO     Infinity       11.6805                     500           0
   2    -2676.833      -11.6805    MIRROR           500  -0.7545292
   3     Infinity     -1009.423                     500           0
   4    -834.4364      1009.423    MIRROR      125.2636           0  !!!
   5     Infinity       11.6805                  58.758           0
   6     Infinity             8     N-BK7          73.1           0
   7     113.6622          13.5     N-SK5          73.1           0
   8    -254.2492           0.5                    73.1           0
   9     157.3644           4.5      N-K5          73.1           0
  10     77.54262      299.9817                    73.1           0
 IMA     Infinity                              40.29845           0

The corrector may be a tad oversized, but the [N-]BK7 lens is OTS
as Melles Griot LFF357.  The other lenses are sized to match.

The field isn't really perfectly flat, but the visual Strehl ratio
in the center is still 0.989.
_______________________________________________
ATM mailing list http://www.atmlist.net/