# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    <a href="https://refractiveindex.info/download/data/2017/hoya_2017-04-01.agf">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href="http://www.hoya-opticalworld.com/english/datadownload/">http://www.hoya-opticalworld.com</a>)
COMMENTS: |
    General glass Type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.3317983 -0.0097042192 2 0.014032761 -2 0.00064822896 -4 -4.0813761e-05 -6 3.9064873e-06 -8
  - type: tabulated k
    data: |
        0.340 9.7725E-06
        0.350 3.2441E-06
        0.360 9.0944E-07
        0.370 2.8416E-07
        0.380 1.2344E-07
        0.390 6.5868E-08
        0.400 3.5208E-08
        0.420 2.6846E-08
        0.440 3.1655E-08
        0.460 2.9402E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 1.3223E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 5.5844E-08
        1.500 4.7842E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    nd: 1.54072
    Vd: 47.20
    glass_code: 541472
    density:
      - value: 2530
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 1e-05
    dPgF: 0.0044
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0