# 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: 2.5864832 -0.0080357829 2 0.018080573 -2 -0.00045974172 -4 8.8484321e-05 -6 -3.7544765e-06 -8
  - type: tabulated k
    data: |
        0.290 1.0628E-05
        0.300 6.0297E-06
        0.310 3.7352E-06
        0.320 2.1492E-06
        0.330 1.2553E-06
        0.340 7.0716E-07
        0.350 3.8787E-07
        0.360 2.1716E-07
        0.370 1.2326E-07
        0.380 7.6560E-08
        0.390 4.3756E-08
        0.400 2.8778E-08
        0.420 2.0114E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        0.800 1.9127E-08
        0.830 1.9845E-08
        0.850 2.7111E-08
        0.900 2.8705E-08
        0.950 3.0300E-08
        1.000 3.1895E-08
        1.050 3.3490E-08
        1.060 3.3809E-08
        1.100 2.6300E-08
        1.200 2.8691E-08
        1.300 3.1082E-08
        1.400 1.7969E-07
        1.500 8.3850E-08
        1.550 8.6645E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.9692e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.62299
    Vd: 58.12
    glass_code: 623581
    density:
      - value: 3550
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: 0.0008
    resistance:
        climatic: 2.0
        stain: 4.0
        acid: 4.0