# 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: |
    Recommended glass type
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.3742832 -0.0062014418 2 0.010582967 -2 6.3100703e-05 -4 8.196715e-06 -6 -3.4424446e-07 -8
  - type: tabulated k
    data: |
        0.310 9.7771E-06
        0.320 6.2181E-06
        0.330 3.6722E-06
        0.340 1.9971E-06
        0.350 1.0456E-06
        0.360 5.3379E-07
        0.370 2.5191E-07
        0.380 1.3607E-07
        0.390 7.2215E-08
        0.400 4.4878E-08
        0.420 3.3591E-08
        0.440 3.5190E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        0.600 1.4345E-08
        0.650 3.1129E-08
        0.700 3.3523E-08
        0.750 3.5918E-08
        0.780 3.7354E-08
        0.800 4.4720E-08
        0.830 1.0653E-07
        0.850 5.4330E-08
        0.900 5.7526E-08
        0.950 6.8347E-08
        1.000 6.3918E-08
        1.050 6.7114E-08
        1.060 6.7753E-08
        1.100 6.1490E-08
        1.200 5.7468E-08
        1.300 5.1855E-08
        1.400 5.5844E-08
        1.500 5.9833E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.64e-05 -6.43e-10 1.97e-11 3.83e-07 2.95e-10 0.0771
    nd: 1.55032
    Vd: 75.50
    glass_code: 550755
    glass_status: standard
    density:
      - value: 4090
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.22e-05
      - temperature_range: 293 573
        value: 1.4e-05
    dPgF: 0.0277
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 3.0