# 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: 2.9564361 -0.019762195 2 0.029878823 -2 0.0051830852 -4 -0.00054202389 -6 4.8463245e-05 -8
  - type: tabulated k
    data: |
        0.360 1.0046E-05
        0.370 3.9437E-06
        0.380 1.7211E-06
        0.390 9.0111E-07
        0.400 5.3233E-07
        0.420 2.3537E-07
        0.440 1.4293E-07
        0.460 9.2677E-08
        0.480 7.3273E-08
        0.500 5.2065E-08
        0.550 1.7542E-08
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 2.3921E-08
        0.780 2.4878E-08
        0.800 1.9127E-08
        0.830 2.6473E-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 2.5344E-08
        1.100 3.5084E-08
        1.200 2.8691E-08
        1.300 4.1463E-08
        1.400 2.2508E-07
        1.500 2.1682E-07
        1.550 1.9895E-07
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.67e-06 1.1e-08 -3.23e-11 7.57e-07 9.89e-10 0.306
    nd: 1.75211
    Vd: 25.05
    glass_code: 752251
    density:
      - value: 3140
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7e-06
    dPgF: 0.0159
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0