# 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: | HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com) COMMENTS: | Preforms for Precision molding DATA: - type: formula 3 wavelength_range: 0.36501 1.01398 coefficients: 2.5831471 -0.0097502344 2 0.013615374 -2 0.00036346122 -4 -2.1187082e-05 -6 1.1536132e-06 -8 - type: tabulated k data: | 0.310 9.2008E-06 0.320 6.0758E-06 0.330 3.7477E-06 0.340 2.1306E-06 0.350 1.1447E-06 0.360 5.8604E-07 0.370 2.7445E-07 0.380 1.4240E-07 0.390 7.5393E-08 0.400 4.4878E-08 0.420 3.0216E-08 0.440 2.8124E-08 0.460 2.2030E-08 0.480 1.5310E-08 0.500 1.1955E-08 0.550 8.7623E-09 0.600 1.4345E-08 0.650 2.0732E-08 0.700 1.6736E-08 0.750 1.7932E-08 0.780 1.8649E-08 0.800 1.9127E-08 0.830 3.9749E-08 0.850 4.0707E-08 0.900 4.3101E-08 0.950 4.5496E-08 1.000 4.7890E-08 1.050 5.0285E-08 1.060 5.0764E-08 1.100 4.3877E-08 1.200 4.7866E-08 1.300 4.1463E-08 1.400 5.5844E-08 1.500 7.1835E-08 1.550 7.4230E-08 CONDITIONS: temperature: 293 PROPERTIES: thermal_dispersion: - type: formula A coefficients: -1.08e-05 2.42e-09 1.57e-11 7.21e-07 4.29e-10 1.46e-09 nd: 1.61921 Vd: 63.86 glass_code: 619639 glass_status: standard density: - value: 3570 thermal_expansion: - temperature_range: 243 343 value: 8.7e-06 - temperature_range: 293 573 value: 1.3e-05 dPgF: 0.0085 resistance: climatic: 1.0 acid: 4.0