Real time phase modulation measurements in liquid crystals

N Bennis, I Merta, A Kalbarczyk, M Maciejewski… - Opto-Electronics …, 2017 - Elsevier
We propose real time phase measurements in liquid crystals cells using Young's
interferometer constructed with a new principle with possibility to control the distance …

Research on Acquisition and Processing Method for Extravehicular Panoramic Images of Manned Spacecraft

Y Yu, B Li, L Huang, C Zhang, M Guo… - 2023 IEEE 3rd …, 2023 - ieeexplore.ieee.org
Compared to the discrete image recording method during the assembly process of manned
spacecraft, panoramic imaging technology has the advantages of high resolution and wide …

Laser speckle metrology

T Kreis - Full Field Optical Metrology and Applications, 2022 - iopscience.iop.org
Laser speckle metrology - Book chapter - IOPscience This site uses cookies. By continuing to
use this site you agree to our use of cookies. To find out more, see our Privacy and Cookies …

Estimation of TiO2 thin film shift by electronic speckle interferometry

AR Arul, HB Ramalingam, R Balamurugan… - Materials Today …, 2023 - Elsevier
Laser scattering from the thin film surface develops self-interference speckle images, which
are treated by image processing. As a result, circular fringes are formed due to the phase …

Evaluation of Surface Roughness Using Interferometry–A Review

P Dabreo - International Journal of Research in Engineering …, 2020 - journal.ijresm.com
In this article we present a review of various method of interferometry principle for
assessment of surface roughness. Techniques such as speckle, white light interferometry …

[PDF][PDF] Remote Sensing for Transparent Fluid Pressure by Laser Speckle

SM Hadi, MB Al-Quzweny, AI Owaid - academia.edu
In this study optical arrangement was applied to find pressure of air and water with macro
impurities using laser speckle, the uses this technique need available and cheap devices …

[PDF][PDF] Analyzing Laser Speckle Pattern Using the Discrete Cosine Transform

IMA Abdul-Ameer - Ibn AL-Haitham Journal For Pure and Applied Science, 2017 - iasj.net
The use of Cosine transform to analyze the model-noise pattern alteration with different
vibration model applied on multimode fiber optics are studied. It's results compared with the …