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Refractive index database

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Optical constants of OHARA - TIM (Titanate, medium-index)
TIM11

Wavelength: µm
 (0.3 – 2.4)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.5613591-0.01200739λ^{2}+0.020780357λ^{-2}+0.001425606λ^{-4}-0.00011027477λ^{-6}+1.1477786\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 25.0 °C
coefficients_of_thermal_dispersion: 4.227e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.620955
V_d: 35.880852
glass_code: 621359
glass_status: preferred
density: 2.66 g/cm3
coefficient_of_thermal_expansion_1: 7.5e-06 K-1
coefficient_of_thermal_expansion_2: 8.9e-06 K-1
ΔP_gF: 0.0058
acid_resistance: 1.0
phosphate_resistance: 1.0

References

OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Ohara Group

Ohara Group is an international group of companies with headquarters in Japan and subsidiaries in Japan (Ohara, Inc.), United States (Ohara Corporation), and Germany (Ohara, GmbH). Ohara manufactures optical and electronic products and also offers measurement services, in particular measurement of refractive indices of solids and liquids.

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