# 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: 2.9205906 -0.013681618 2 0.03256776 -2 0.0028725519 -4 -0.00024277107 -6 2.6614514e-05 -8
  - type: tabulated k
    data: |
        0.370 5.2697E-06
        0.380 2.1757E-06
        0.390 1.0109E-06
        0.400 5.3609E-07
        0.420 2.2106E-07
        0.440 1.3929E-07
        0.460 1.0019E-07
        0.480 8.1068E-08
        0.500 6.0135E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 4.6764E-08
        0.700 2.7922E-08
        0.750 2.3921E-08
        0.780 1.2427E-08
        0.800 1.2745E-08
        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 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.40517e-07 0.0 0.0 0.0 0.0 0.0
    nd: 1.74077
    Vd: 27.76
    glass_code: 741278
    density:
      - value: 3110
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1.1e-05
    dPgF: 0.0093
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0