Review on optical methods used to characterize the linear birefringence of polymer materials for various applications

DO Dorohoi, M Postolache, CD Nechifor, DG Dimitriu… - Molecules, 2023 - mdpi.com
Optical polymers are recognized for their high transparency, raised flexibility, low cost, and
good film-forming ability; hence, they introduce a multitude of benefits in a wide range of …

Imine-Linked 2D Conjugated Porous Organic Polymer Films for Tunable Acid Vapor Sensing

J Gayle, S Roy, S Gupta, S Hassan, A Rao… - … Applied Materials & …, 2024 - ACS Publications
Two-dimensional (2D) films of conjugated porous organic polymers (C-POPs) can translate
the rich in-plane functionalities of conjugated frameworks into diverse optical and electronic …

Study on the orientation structure and thermal dimensional stability of polyimide films based on infrared dichroism method

J Wang, G Wu, G Tian, S Qi, D Wu - Journal of Polymer Research, 2024 - Springer
A series of uniaxially oriented polyimide (PI) films were fabricated via hot drawing at varying
temperatures and draw ratios, and their orientation structure and thermal dimensional …

Measuring linear birefringence via rotating-sample transmission<? TeX\break?> Stokes spectropolarimetry

RLS Lima, ES Silva, PT Araujo, NM Barbosa Neto - Applied Optics, 2024 - opg.optica.org
Linear birefringence is a fundamental property of optically anisotropic media, defined by the
difference in refractive index experienced by light polarized along orthogonal directions. It is …

Birefringent polyvinyl alcohol layers as retardation components for display devices

AI Barzic, RM Albu, I Stoica, CD Nechifor… - Polymers for …, 2024 - Wiley Online Library
Optically birefringent polymers have found utility in numerous applications, especially in
liquid crystal displays. This work is focused on inducing molecular ordering in polyvinyl …

Investigation of Optical Properties and Activity of Wheat Stripe Rust Urediospores

X Chen, Z Yao, D He - Agriculture, 2023 - mdpi.com
Stripe rust is one of the most common diseases challenging the safe production of wheat.
Rapid identification and analysis of urediospores, responsible for disease transmission, are …

Optical Anisotropy of Polyethylene Terephthalate Films Characterized by Spectral Means

MI Avadanei, DG Dimitriu, DO Dorohoi - Polymers, 2024 - mdpi.com
Polyethylene terephthalate (PET) films are the subject of intensive research because of
great interest in using them in applications, especially in medicine. From an optical point of …

[HTML][HTML] A Spectral Method for Rapidly Determining the Linear Birefringence of Thin Polymer Films

DO Dorohoi, DG Dimitriu - Molecules, 2024 - mdpi.com
A rapid and simple spectral method for determining the linear birefringence of thin
anisotropic films, using the channeled spectra, is proposed in this article. Two channeled …

Linear birefringence from Stokes spectropolarimetry: a new measurement

RS Lima, E Silva, P Araujo, NB Neto - Molecules, 2023 - opg.optica.org
Linear birefringence is a fundamental property of optically anisotropic media, defined by the
difference in refractive index experienced by light polarized along orthogonal directions. It is …

[图书][B] Development of Tensor Based Building Block Models with Density Functional Theory Calculations and Clustering Algorithms for a Quantitative Description of …

VMM Ruiz - 2022 - search.proquest.com
Abstract Polarized Resonant Soft X-ray Scattering (pRSoXS) is uniquely sensitive to local
molecular orientation regardless of crystallinity, making it a powerful tool in characterizing …