Characterization of photoelastic materials by combined Mach-Zehnder and conoscopic interferometry: Application to tetragonal lithium tetraborate crystals

BG Mytsyk, AS Andrushchak, DM Vynnyk… - Optics and Lasers in …, 2020 - Elsevier
Mach-Zehnder and conoscopic interferometry are used to explore photoelastic properties of
anisotropic crystal materials. In a number of cases an application of both techniques …

Generation of logic gates based on a photonic crystal fiber Michelson interferometer

JRR Sousa, AC Ferreira, GS Batista, CS Sobrinho… - Optics …, 2014 - Elsevier
We present a numerical investigation of all-optical logical gates based in a Michelson
interferometer (MI) of micro structured fibers, also known as photonic crystal fibers (PCF). We …

New interference technique for determination of low loss material permittivity in the extremely high frequency range

NA Andrushchak, ID Karbovnyk… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
In this paper a new interference technique for material permittivity determination in the
extremely high frequency range using a vector network analyzer is described. The novelty of …

Spatial anisotropy of linear electro-optic effect in crystal materials: I—Experimental determination of electro-optic tensor in LiNbO3 by means of interferometric …

AS Andrushchak, BG Mytsyk, NM Demyanyshyn… - Optics and lasers in …, 2009 - Elsevier
The paper presents a technique suitable for the determination of linear electro-optic effect
(LEOE) tensor components in crystal materials of any symmetry. The method is based on the …

General method of extreme surfaces for geometry optimization of the linear electro-optic effect on an example of LiNbO3:MgO crystals

A Andrushchak, O Buryy, N Andrushchak, Z Hotra… - Applied Optics, 2017 - opg.optica.org
A general method for determining the global maximum of the linear electro-optic effect in
crystalline materials based on the construction and analysis of extreme surfaces obtained as …

Interferometric technique for controlling wedge angle and surface flatness of optical slabs

AS Andrushchak, ТІ Voronyak, OV Yurkevych… - Optics and Lasers in …, 2013 - Elsevier
We report on a laboratory setup suitable for quality control and analysis of optical slabs in
the sense of perfection of their geometry and optical bulk homogeneity. Our non-contact …

Photoelastic and acousto-optic effects in 65GeS2-25Ga2S3-10CsCl glass

B Mytsyk, O Shpotyuk, N Demyanyshyn, Y Kost… - Journal of Non …, 2018 - Elsevier
The peculiarities of photoelastic and acousto-optic effects are first tested in chalcohalide
65GeS 2-25Ga 2 S 3-10CsCl glass exploring the interferometry method. The determined …

LabVIEW-based automated setup for interferometric refractive index probing

N Andrushchak, I Karbovnyk - SLAS Technology: Translating …, 2020 - journals.sagepub.com
In the paper, we explain an automated LabVIEW-controlled setup that enables
interferometric measurement of refractive indices in crystalline materials using a laser light …

Refractive index retrieving of polarization maintaining optical fibers

WA Ramadan, HH Wahba, MAS El-Din… - Optical Fiber …, 2018 - Elsevier
In this paper, the cross-section images, of two different types of polarization maintaining
(PM) optical fibers, are employed to estimate the optical phase variation due to transverse …

Development of Crystalline Nanocomposites with KDP crystals as Nanofiller

NA Andrushchak, OA Buryy… - … & Properties (NAP), 2016 - ieeexplore.ieee.org
In this paper we demonstrate the alumina (pAl 2 O 3) based nanocomposites with straight
cylindrical nanochannels (35 nm) filled by potassium dihydrophosphate (KDP) crystals. The …