# 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: 3.1743707 -0.014110466 2 0.028862637 -2 3.355949e-05 -4 8.0422109e-05 -6 -2.8956744e-06 -8
  - type: tabulated k
    data: |
        0.320 5.9149E-06
        0.330 2.7196E-06
        0.340 1.4139E-06
        0.350 8.0126E-07
        0.360 4.8927E-07
        0.370 2.9066E-07
        0.380 1.8068E-07
        0.390 1.2993E-07
        0.400 9.6955E-08
        0.420 6.0709E-08
        0.440 3.8729E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 6.7675E-09
        0.900 7.1656E-09
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 8.3598E-09
        1.060 8.4394E-09
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 4.1463E-08
        1.400 1.1197E-07
        1.500 5.9833E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.15e-06 9.33e-09 -4.33e-11 5.57e-07 5.72e-10 0.209
    nd: 1.80420
    Vd: 46.50
    glass_code: 804465
    density:
      - value: 4650
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.9e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0066
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0