# 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: 3.6542352 -0.015688325 2 0.048094089 -2 0.0026498065 -4 -0.00013971852 -6 1.9581201e-05 -8
  - type: tabulated k
    data: |
        0.360 1.2031E-05
        0.370 5.2347E-06
        0.380 2.7557E-06
        0.390 1.6906E-06
        0.400 1.1627E-06
        0.420 6.5513E-07
        0.440 4.1985E-07
        0.460 2.8934E-07
        0.480 2.0801E-07
        0.500 1.4176E-07
        0.550 4.8411E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.1152E-08
        0.750 1.1949E-08
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 3.3107E-08
        0.850 4.0707E-08
        0.900 2.8705E-08
        0.950 2.2714E-08
        1.000 2.3909E-08
        1.050 2.5105E-08
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 1.0350E-08
        1.400 2.2304E-08
        1.500 2.3897E-08
        1.550 2.4694E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 8.14588e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.95150
    Vd: 29.83
    glass_code: 952298
    glass_status: standard
    density:
      - value: 5450
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: 0.0011
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 2.0