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VPH Gratings N.B. Both 740 l/mm and 3300 l/mm VPHGs have more strongly-peaked blaze functions than the SRGs, however, the VPHG diffraction efficiencies are still greater than the SRG efficiency at the edge of the Bench band-pass. 740 l/mm 3300 l/mm
(Not available until 2008B semester) |
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