# Response curve for the L' Bessel filter as defined in
# Bessel & Brett (1988, PASP, 100, 1134)
#  
# Wavelength (micron)    Throughput
    3.040                   0.000
    3.080                   0.023
    3.120                   0.102
    3.160                   0.432
    3.200                   0.341
    3.240                   0.568
    3.280                   0.693
    3.320                   0.466
    3.360                   0.568
    3.400                   0.693
    3.440                   0.795
    3.480                   0.966
    3.520                   1.000
    3.560                   0.955
    3.600                   0.955
    3.640                   0.955
    3.680                   0.977
    3.720                   0.739
    3.760                   0.216
    3.800                   0.045
    3.840                   0.000