CHAMP:Documents

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Media:PicomotorCtrlDiagram.xls: Diagram Showing Setup of Pico Control Array


Media:CHAMP_Beam_Targets.ai: Useful targets for CHAMP table


Media:champ_triplet_2d_FINAL_v2.dwg: Final dimensions for CHAMP triplet


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