An improved system for measuring refractive index using the thermal immersion method
T Danhara, T Yamashita, H Iwano, M Kasuya - Quaternary International, 1992 - Elsevier
T Danhara, T Yamashita, H Iwano, M Kasuya
Quaternary International, 1992•ElsevierAn improved refractive index measuring system using thermal immersion method has been
developed. The main improvements are:(1) precise control of temperature using Peltier
modules,(2) a well sealed cell, which can prevent evaporation of immersion oil, and (3)
automatic measurement using an image memory board. With this system, refractive index of
each single grain of glass or mineral can be feasibly determined with an accuracy as good
as±2× 10− 4.
developed. The main improvements are:(1) precise control of temperature using Peltier
modules,(2) a well sealed cell, which can prevent evaporation of immersion oil, and (3)
automatic measurement using an image memory board. With this system, refractive index of
each single grain of glass or mineral can be feasibly determined with an accuracy as good
as±2× 10− 4.
Abstract
An improved refractive index measuring system using thermal immersion method has been developed. The main improvements are: (1) precise control of temperature using Peltier modules, (2) a well sealed cell, which can prevent evaporation of immersion oil, and (3) automatic measurement using an image memory board. With this system, refractive index of each single grain of glass or mineral can be feasibly determined with an accuracy as good as ± 2 × 10−4.
Elsevier
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