MIRAC-BLINC User Manual

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    HistoryEdited Oct 8, 2010 11:28 PM by Phil Hinz…

    Filter Information

    The filters in MIRAC4 are as follows. Some filters require additional blocking which may slightly affect their transmission profile.

    Wheel 1
  • BaF2 blocker (Home)
  • 9.15 um *
  • 9.79 um 9.3% width *
  • 10.55 um 9.2% width *
  • 11.86 um 9.6% width *
  • Open
  • 12.52 um 9.2% width *
  • 2.2 um
  • 3.9 um 2.6% width
  • 18.0 um 10% width +
  • 24.4 um +
  • Grism

    • *=uses N band filter in wheel 2 for additional blocking +=Currently not useable due to ZnSe optics in BLINC

    Wheel 2
  • 7.9 um 8.9% width (Home) –
  • 8.7 um 14% width –
  • N (8.03-13.77 um)
  • 11.1 um 20% width
  • 4.7 um
  • 4.8 um 12.5% width
  • 18.5 um +
  • 20.9 um +
  • Blocked
  • Pupil Imaging Lens
  • Blocked

    • – = uses BaF2 in Wheel 1 for additional blocking. + = Currently not useable due to ZnSe optics in BLINC

    Transmission Data

    This data was compiled by Jared Males and Bill Hoffmann in October 2010.
    Download file "mirac4_filters.xls"

    Filter Curves

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