Precise measurements of the refractive indices for dielectrics using an improved Brewster angle method

2009 ◽  
Vol 77 (4) ◽  
pp. 337-343 ◽  
Author(s):  
Cristian Bahrim ◽  
Wei-Tai Hsu
Keyword(s):  
Brewster Angle ◽  
Refractive Indices ◽  
Angle Method

Refraction Indices Measurement of Hexagonal Zeolite Crystal Using Brewster Angle Method

2010 ◽  
Vol 146-147 ◽  
pp. 429-432 ◽  
Author(s):  
Irene Ling Li ◽  
Ling Fu ◽  
Hao Li ◽  
Jian Pang Zhai ◽  
Shuang Chen Ruan
Keyword(s):  
Harmonic Generation ◽  
Second Harmonic ◽  
Brewster Angle ◽  
Refractive Indices ◽  
Zeolite Crystal ◽  
Simple Method ◽  
Nonlinear Properties ◽  
Birefringent Crystals ◽  
Angle Method ◽  
Hexagonal Crystals

A simple method for measuring the refraction indices of small hexagonal crystals is studied. The method is based on Brewster angle law. The refractive indices are confirmed by measuring the Brewster angle on two different surfaces. As an example, the measured refractive indices for hexagonal zeolite crystals are ne=1.488 and no=1.327, respectively, which are necessary for further investigations on the nonlinear properties of these zeolite crystal, such as second harmonic generation (SHG) effect. This method avoids the damage of the sample, and is simple and quick, which is suitable for the measurements of small birefringent crystals.

A Discussion of Nonpolarizing Angles in Thin-Film Beam Splitters for Michelson Interferometers

1976 ◽  
Vol 30 (3) ◽  
pp. 303-305 ◽  
Author(s):  
Donald R. Smith ◽  
Ernest V. Loewenstein
Keyword(s):  
Thin Film ◽  
Wavelength Range ◽  
Beam Splitter ◽  
Brewster Angle ◽  
Refractive Indices ◽  
Beam Splitters ◽  
Wide Range

We have investigated the polarization properties of thin-film beam splitters for a wide range of refractive indices and angles of incidence. We have found that the polarizance is zero at certain incident angles for one or two wavelengths in each cycle of the beam splitter. For any angle other than the Brewster angle, however, the polarizance varies significantly over the remainder of the usable wavelength range and at the high angles of incidence required to achieve a nonpolarized wavelength the variation is quite large.

The Most Important Reason to Educate Students with Knowledge to Measure Refractive Index: Evaluated From The Impact On Judd-Ofelt Analysis of Tellurite Based Glass

2017 ◽  
Vol 1 ◽  
pp. 1
Author(s):  
Adi Pramuda ◽  
Ahmad Marzuki ◽  
C Cari ◽  
Soka Hadiati
Keyword(s):  
Refractive Index ◽  
Conceptual Change ◽  
Tellurite Glass ◽  
Branching Ratio ◽  
Brewster Angle ◽  
Radiative Properties ◽  
Refractive Index Measurement ◽  
Analytical Results ◽  
Angle Method ◽  
The Impact

<p>This study presents an overview influence of the refractive index parameter to the parameter and radiative<strong> </strong>properties of analyticaly results on Judd Ofelt tellurite based glass, in the hope of clarifying the importance of education with good refractive index measurement. The main stages carried out is the matching between the result of the parameters and the radiative properties of analytical results on Judd Ofelt tellurite glass with composition 55TeO<sub>2</sub>-2Bi<sub>2</sub>O<sub>3</sub>-(40-x) ZnO-3NA<sub>2</sub>O-xNd<sub>2</sub>O<sub>3</sub> (x = 2.5) from a value the refractive index is estimated by the value of the refractive index obtained by measurement using Brewster angle method. The results showed that the difference in the Brewster angle ranging from 2<sup>o</sup> course, will change the value of laser parameters and radiative properties Judd-Ofelt analytical results, with the exception of the Branching Ratio value. Still very much needed insight for learners to use this method. This is an example of a case where educators need to create activities that will facilitate learning well to push the conceptual change. Experiment with new variation of activities will encourage a conceptual change and the ability to analogize concept.</p><p><strong>Keywords: </strong>Refractive Index, Judd-Ofelt, Tellurite, Glass</p>

Critical angle method applied in determining the refractive indices and axis direction of crystal

2021 ◽  
Author(s):  
Congyuan Guan ◽  
Wenping Guo ◽  
Tanbin Shao ◽  
Min Xia ◽  
Kecheng Yang
Keyword(s):  
Critical Angle ◽  
Refractive Indices ◽  
Axis Direction ◽  
Angle Method
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