# H164 filter, central wvl. 1.64mum, FWHM=0.10mum
# transmission curve scanned and digitized 2006-03-14, PASch
# wvl. +/- 0.0003mum ; transmission +/- 0.08%
#    #   w-length   w-number    transmission
#         (mum)     (10^4/cm)     (%)
     1    1.460       0.685       0.0
     2    1.465       0.683       0.1
     3    1.470       0.680       0.0
     4    1.475       0.678       0.0
     5    1.480       0.676       0.0
     6    1.485       0.673       0.3
     7    1.490       0.671       0.1
     8    1.495       0.669       0.3
     9    1.500       0.667       0.4
    10    1.505       0.664       0.6
    11    1.510       0.662       0.7
    12    1.515       0.660       0.6
    13    1.520       0.658       0.7
    14    1.525       0.656       1.0
    15    1.530       0.654       1.4
    16    1.535       0.652       1.6
    17    1.540       0.649       2.2
    18    1.545       0.647       2.8
    19    1.550       0.645       3.8
    20    1.556       0.643       5.0
    21    1.560       0.641       6.4
    22    1.565       0.639       8.6
    23    1.570       0.637      11.8
    24    1.575       0.635      15.7
    25    1.580       0.633      22.3
    26    1.585       0.631      29.8
    27    1.590       0.629      40.0
    28    1.595       0.627      50.6
    29    1.600       0.625      60.8
    30    1.605       0.623      70.1
    31    1.610       0.621      76.0
    32    1.615       0.619      78.8
    33    1.620       0.617      80.0
    34    1.623       0.616      80.2
    35    1.625       0.615      80.0
    36    1.630       0.613      79.4
    37    1.635       0.612      79.1
    38    1.641       0.609      78.3
    39    1.645       0.608      78.0
    40    1.650       0.606      77.6
    41    1.655       0.604      76.8
    42    1.660       0.602      75.6
    43    1.665       0.601      73.1
    44    1.670       0.599      69.4
    45    1.675       0.597      63.9
    46    1.680       0.595      57.0
    47    1.685       0.594      49.9
    48    1.690       0.592      42.1
    49    1.691       0.591      40.1
    50    1.695       0.590      33.9
    51    1.700       0.588      26.9
    52    1.705       0.587      21.6
    53    1.710       0.585      17.1
    54    1.715       0.583      13.5
    55    1.720       0.581      10.6
    56    1.725       0.580       8.5
    57    1.730       0.578       6.7
    58    1.735       0.576       5.3
    59    1.736       0.576       5.0
    60    1.740       0.575       4.3
    61    1.745       0.573       3.4
    62    1.750       0.571       2.8
    63    1.755       0.570       2.3
    64    1.760       0.568       2.0
    65    1.765       0.567       1.7
    66    1.770       0.565       1.4
    67    1.775       0.563       1.1
    68    1.780       0.562       1.1
    69    1.785       0.560       0.9
    70    1.790       0.559       0.8
    71    1.795       0.557       0.6
    72    1.800       0.556       0.6
    73    1.805       0.554       0.6
    74    1.810       0.553       0.5
    75    1.815       0.551       0.2
    76    1.820       0.549       0.2
    77    1.825       0.548       0.1
    78    1.830       0.546       0.0
    79    1.835       0.545       0.0
    80    1.840       0.543       0.0