# 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/schott_2017-01-20b.agf">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href="https://www.schott.com/en-us/products/optical-glass-p1000267/downloads/">http://www.schott.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf">SCHOTT glass data sheets</a>
COMMENTS: |
    suitable for precision molding. step 0.5 available        
DATA:
  - type: formula 2
    wavelength_range: 0.32 2.5
    coefficients: 0 1.35055424 0.0087628207 0.197575506 0.0371767201 1.09962992 90.3866994
  - type: tabulated k
    data: |
        0.320 6.3301E-06
        0.334 1.5954E-06
        0.350 3.9737E-07
        0.365 1.5647E-07
        0.370 1.2278E-07
        0.380 8.2589E-08
        0.390 6.2370E-08
        0.400 4.9326E-08
        0.405 4.4594E-08
        0.420 3.9343E-08
        0.436 3.5137E-08
        0.460 2.9581E-08
        0.500 1.9214E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.4758E-08
        0.700 1.3409E-08
        1.060 3.3758E-09
        1.530 1.9374E-07
        1.970 7.9448E-07
        2.325 5.3400E-06
        2.500 1.3385E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.81e-06 1.16e-08 -7.99e-12 6.2e-07 7.94e-10 0.205
    nd: 1.61336
    Vd: 44.49
    glass_code: 613445.300
    glass_status: standard
    density:
      - value: 3002
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: -0.01
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 3.4
        alkali: 1.2
        phosphate: 1.0