RU2016106290A - METHOD FOR DETERMINING REFRACTION INDICATOR OF OPTICALLY TRANSPARENT MATERIAL - Google Patents

METHOD FOR DETERMINING REFRACTION INDICATOR OF OPTICALLY TRANSPARENT MATERIAL Download PDF

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RU2016106290A
RU2016106290A RU2016106290A RU2016106290A RU2016106290A RU 2016106290 A RU2016106290 A RU 2016106290A RU 2016106290 A RU2016106290 A RU 2016106290A RU 2016106290 A RU2016106290 A RU 2016106290A RU 2016106290 A RU2016106290 A RU 2016106290A
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refractive index
air
optically transparent
determining
transparent material
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RU2016106290A
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Russian (ru)
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RU2629695C2 (en
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Лев Александрович Акашев
Николай Александрович Попов
Владимир Григорьевич Шевченко
Борис Дмитриевич Антонов
Виктор Анатольевич Кочедыков
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Федеральное государственное бюджетное учреждение науки "Институт химии твердого тела Уральского Отделения Российской Академии наук"
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length

Claims (3)

Способ определения показателя преломления оптически прозрачного материала путем измерения эллипсометрических параметров Δ и ψ с последующим расчетом по соответствующим формулам, отличающийся тем, что предварительно спрессованный нано- или ультрадисперсный порошок помещают в воздушную среду и определяют эллипсометрические параметры Δ и ψ на воздухе, а затем рассчитывают показатель преломления исследуемого спресованного материала на воздухе (n1), после чего помещают исследуемый спрессованный материал в оптически прозрачную иммерсионную жидкость, обеспечивающую отсутствие химического взаимодействия и хорошую смачиваемость исследуемого материала, и определяют эллипсометрические параметры Δ и ψ в иммерсионной жидкости, а затем рассчитывают показатель преломления исследуемого спресованного материала в иммерсионной жидкости (n2), после чего рассчитывают показатель преломления исходного нано- или ультрадисперсного порошка по формуле:A method for determining the refractive index of an optically transparent material by measuring the ellipsometric parameters Δ and ψ with subsequent calculation according to the appropriate formulas, characterized in that the pre-pressed nano- or ultrafine powder is placed in the air and the ellipsometric parameters Δ and ψ are determined in air, and then the indicator is calculated refractive investigated ot hardened material in air (n 1), after which the compacted material analyzed is placed in an optically transparent immersions nnuyu liquid providing no chemical interaction, and good wettability of the material, and determining ellipsometric parameters Δ and ψ in the immersion liquid and then calculating a refractive index of the test ot hardened material in the immersion fluid (n 2), after which the calculated refractive index of the starting nano or ultrafine powder according to the formula:
Figure 00000001
Figure 00000001
 где
Figure 00000002
σ=(с-1);
Figure 00000003
, nc - показатель преломления иммерсионной жидкости, n1 - показатель преломления исследуемого спресованного материала на воздухе, n2 - показатель преломления исследуемого спресованного материала в иммерсионной жидкости,
Figure 00000004
Where
Figure 00000002
σ = (s-1);
Figure 00000003
, n c is the refractive index of the immersion liquid, n 1 is the refractive index of the studied compressed material in air, n 2 is the refractive index of the studied pressed material in the immersion liquid,
Figure 00000004
RU2016106290A 2016-02-24 2016-02-24 Method for determination of refraction index of optically transparent material RU2629695C2 (en)

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU744295A1 (en) * 1977-08-16 1980-06-30 Ордена Трудового Красного Знамени институт физики АН Белорусской ССР Method of determining complex refractive index of dispersed substances
SU1024703A1 (en) * 1981-07-09 1983-06-23 Ленинградский Институт Авиационного Приборостроения Method of checking-dielectric-based dielectric film thickness and refraction factor
SU1017981A1 (en) * 1981-10-12 1983-05-15 Ордена Трудового Красного Знамени Институт Физики Ан Бсср Dispersed substance complex refraction factor determination method
SU1141316A1 (en) * 1983-07-11 1985-02-23 Предприятие П/Я Р-6681 Refractive index measuring method
DE10014816B4 (en) * 2000-03-27 2012-12-06 Nawotec Gmbh Method for determining the refractive index

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