# 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: |
    Not in a position to accept new order because of discontinuation.
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 3.0182184 -0.015381633 2 0.021520137 -2 0.00064608303 -4 -3.2355748e-05 -6 2.0791593e-06 -8
  - type: tabulated k
    data: |
        0.280 7.0111E-06
        0.290 4.9123E-06
        0.300 3.7258E-06
        0.310 3.1491E-06
        0.320 1.9444E-06
        0.330 1.3327E-06
        0.340 8.8131E-07
        0.350 5.6976E-07
        0.360 3.4029E-07
        0.370 2.1051E-07
        0.380 1.2975E-07
        0.390 8.1759E-08
        0.400 6.1061E-08
        0.420 3.3591E-08
        0.440 2.8124E-08
        0.460 2.5714E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 1.3223E-08
        0.850 1.3542E-08
        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 4.4653E-08
        1.500 5.9833E-08
        1.550 7.4230E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.21116e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.75500
    Vd: 52.33
    glass_code: 755523
    glass_status: special
    density:
      - value: 4270
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0067
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 4.0