Optical constants of HIKARI - LaK (Lanthanum crown)
E-LAK7
Complex refractive index (n+ik)
Derived optical constants
Dispersion formula
$$n^2=2.68241693-0.0118445415λ^{2}+0.016242269λ^{-2}+0.000303298585λ^{-4}-8.32486246\text{×}10^{-06}λ^{-6}+7.74390846\text{×}10^{-07}λ^{-8}$$Conditions
temperature: 296
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
Additional information
Properties of E-LAK7
nd: 1.651597
Vd: 58.543058
glass_code: 652585
glass_status: preferred
density:
-
value: 3300
thermal_expansion:
-
temperature_range: 243 343
value: 8.1E-6
dPgF: -0.0039
About
Hikari Glass Co., Ltd. is a Japanese company specializing in the manufacturing of high-quality optical glass and optical components, and is a subsidiary of Nikon Corporation. Known for its precision engineering and strict quality control, Hikari serves various industries including consumer electronics, scientific research, and industrial optics. The company offers a wide range of specialized optical materials, including various types of crown and flint glasses, which are used in applications demanding high levels of optical clarity and performance. Hikari's products often find use in lenses, prisms, and other optical elements where precision and reliability are critical. With the backing of Nikon's renowned expertise in optics and imaging, Hikari has become a respected name in the field of optics, serving both domestic and international markets. Their expertise in crafting custom solutions for complex optical requirements has made them a preferred choice for organizations in need of specialized glass materials. As a testament to their commitment to quality, Hikari Glass Co., Ltd. is often sought after for projects requiring the highest levels of optical performance and integrity.
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