Champ Triplet Dimensions

From Monnier Group Research Wiki
Revision as of 15:13, 26 May 2010 by Monnier (talk | contribs) (New page: Prescription: From 300K->77K, assuming Al contracts by 0.38% (when cooling from 300K->77K): CaF2 contracts by 0.284% SiO4 expands by 0.001% [hardly at all] distances i...)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search
Prescription:
From 300K->77K,
assuming Al contracts by 0.38% (when cooling from 300K->77K):
      CaF2 contracts by 0.284%
      SiO4 expands   by 0.001% [hardly at all]
distances in mm
 Space between centers of        (77K)   (300K)
 Pupil - Lens 1                  0.50      0.502
 Lens 1 -2                      1.805    1.812
 Lens 2 -3                      5.048     5.067
 Lens 3 - IMAGE                 42.367   42.528
and also the ACTUAL measurements from ISP.
SEE below also :
Center Thicknesses from parts themselves:
                        77K             300K
Lens #1:                6.023           6.04
Lens #2:                3.066           3.066 [same]
Lens #3:                7.036           7.056