# 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: |
    Preforms for Precision molding
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.9372128 -0.016185789 2 0.01839514 -2 0.0010266071 -4 -9.2379872e-05 -6 5.0509237e-06 -8
  - type: tabulated k
    data: |
        0.280 8.2194E-06
        0.290 5.8287E-06
        0.300 4.7630E-06
        0.310 4.0076E-06
        0.320 2.5526E-06
        0.330 1.6377E-06
        0.340 1.0795E-06
        0.350 6.8489E-07
        0.360 4.1547E-07
        0.370 2.4871E-07
        0.380 1.5511E-07
        0.390 1.0094E-07
        0.400 6.7557E-08
        0.420 3.6968E-08
        0.440 2.8124E-08
        0.460 1.8349E-08
        0.480 1.1476E-08
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 1.1949E-08
        0.780 6.2101E-09
        0.800 1.2745E-08
        0.830 2.6473E-08
        0.850 2.7111E-08
        0.900 2.1518E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 1.6728E-08
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 1.0350E-08
        1.400 3.3473E-08
        1.500 1.1943E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.67223e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.72963
    Vd: 54.07
    glass_code: 730541
    glass_status: standard
    density:
      - value: 4280
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0064
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 4.0