# 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: 2.8217211 -0.0097265483 2 0.024345979 -2 0.00078406305 -4 -2.2431497e-05 -6 4.6726029e-06 -8
  - type: tabulated k
    data: |
        0.350 7.6562E-06
        0.360 2.9993E-06
        0.370 1.3325E-06
        0.380 6.7856E-07
        0.390 3.8969E-07
        0.400 2.5160E-07
        0.420 1.2948E-07
        0.440 8.8648E-08
        0.460 6.6490E-08
        0.480 3.8389E-08
        0.500 2.7950E-08
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 2.7922E-08
        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 7.5636E-09
        1.000 7.9617E-09
        1.050 8.3598E-09
        1.060 8.4394E-09
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 2.2304E-08
        1.500 4.7842E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.07532e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.70154
    Vd: 41.15
    glass_code: 702412
    density:
      - value: 3650
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: 0.0028
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0