Researching | Measuring Refractive Index of Transparent Plate by Low-Coherent Interference

Chinese Journal of Lasers, Volume. 46, Issue 8, 0804004(2019)

Measuring Refractive Index of Transparent Plate by Low-Coherent Interference

Bo Gao^*, Qiang Li, Ang Liu, and Liqun Chai

Author Affiliations

Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang, Sichuan 621900, China

show less

Abstract Get PDF(in Chinese)

Figures&Tables (7)

References (15)

Paper Information

Figures & Tables(7)

$Schematic of measuring the refractive index for large parallel glass plate$

Fig. 1. Schematic of measuring the refractive index for large parallel glass plate

Download full size

Fig. 2. Optical path diagram after sample rotation

Download full size

Fig. 3. Intensity modulation versus optical path difference between the reference and test paths

Download full size

$Flow chart of the iteration algorithm for refractive index calculation$

Fig. 4. Flow chart of the iteration algorithm for refractive index calculation

Download full size

$Refractive index result fitted by Cauchy formula$

Fig. 5. Refractive index result fitted by Cauchy formula

Download full size

Table 1. Measurement results of various parameters
View table
Table 1. Measurement results of various parameters
Parameter L /mm L₁ /mm L₂ /mm i /(°) K9 index
Value 198.7546±0.001 60.4543±0.001 219.9015±0.001 19.804±0.00056 1.506386

Table 2. Refractive index measured by V-prism
View table
Table 2. Refractive index measured by V-prism
Wavelength /nm 404.7 435.8 486.1 546.1 587.6 656.3 706.5
Refractive index 1.529688 1.526146 1.521863 1.518214 1.51631 1.513846 1.512428

Tools

Get Citation

Copy Citation Text

Bo Gao, Qiang Li, Ang Liu, Liqun Chai. Measuring Refractive Index of Transparent Plate by Low-Coherent Interference[J]. Chinese Journal of Lasers, 2019, 46(8): 0804004

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: measurement and metrology

Received: Feb. 27, 2019

Accepted: Apr. 19, 2019

Published Online: Aug. 13, 2019

The Author Email: Gao Bo (48491061@qq.com)

DOI:10.3788/CJL201946.0804004

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology