Optical constants of OHARA - PHL (Phosphate, low-index)
L-PHL1
Wavelength:
µm
(0.31–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.07570798λ^2}{λ^2-0.00591654042}+\frac{0.335020347λ^2}{λ^2-0.0203432769}+\frac{0.810997558λ^2}{λ^2-106.182158}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -5.46e-06 7.3e-09 -4.11e-11 5.89e-07 6.92e-10 0.202 nd: 1.564550 Vd: 60.818065 glass_code: 565608 glass_status: preferred density: 3.18 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 1.05e-05 K-1 - temperature_range: 20 300 °C coefficient: 1.4e-05 K-1 dPgF: 0.0026 climatic_resistance: 3.0 acid_resistance: 53.3 phosphate_resistance: 4.3
Comments
Low Softening Temperature
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets