Linear and nonlinear optical study of pure PVA and CdSe doped PVA nanocomposite

2016 ◽  
Author(s):  
Chetna Tyagi ◽  
Ambika Sharma
Keyword(s):  
Nonlinear Optical ◽  
Optical Study ◽  
Linear And Nonlinear

PRELIMINARY OPTICAL STUDY ON ER FLUIDS

1994 ◽  
Vol 08 (20n21) ◽  
pp. 2921-2933 ◽  
Author(s):  
L. W. ZHOU ◽  
J. F. YE ◽  
R. B. TAO ◽  
Y. TANG ◽  
J. F. PENG ◽  
...  
Keyword(s):  
Phase Transition ◽  
Electric Field ◽  
Electric Fields ◽  
Nonlinear Optical ◽  
Second Harmonic ◽  
Optical Response ◽  
Optical Study ◽  
Solid States ◽  
Linear And Nonlinear ◽  
Er Fluids

Linear and nonlinear optical study on electrorheological (ER) fluids is reported. The ER fluids under the investigation were glass beads, zeolite and ferroelectrics. The linear optical response of some ER fluids showed sharp changes near critical electric fields. An enhancement of electric field induced second harmonic generations (EFISH) was observed as the function of E2, where E is the external electric field. The said enhancement is considered to be corresponding to a modulation of the material's refractive index associated with the electric field induced polarization of the delocalized electrons. The enhanced nonlinear optical response on the transition between liquid and solid states can be related to the phase transition in ER fluids.

scholarly journals Conformational Steering in Substituted Poly(3,6-phenanthrene)s: A Linear and Nonlinear Optical Study

2009 ◽  
Vol 42 (12) ◽  
pp. 4282-4287 ◽  
Author(s):  
Wouter Vanormelingen ◽  
Alfons Smeets ◽  
Edith Franz ◽  
Inge Asselberghs ◽  
Koen Clays ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Optical Study ◽  
Linear And Nonlinear

NLOphoric benzyl substituted BODIPY and BOPHY: A comprehensive linear and nonlinear optical study by spectroscopic, DFT and Z-scan measurement

2019 ◽  
Vol 215 ◽  
pp. 122-129
Author(s):  
Ramnath R. Mallah ◽  
Dhanraj R. Mohbiya ◽  
Mavila C. Sreenath ◽  
Subramaniyan Chitrambalam ◽  
Issac H. Joe ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Optical Study ◽  
Linear And Nonlinear

Structural, linear and nonlinear optical study of zinc tetra-tert-butyl phthalocyanine thin film

Optik ◽  
2015 ◽  
Vol 126 (24) ◽  
pp. 5918-5922 ◽  
Author(s):  
K.V. Anil Kumar ◽  
S. Raghavendra ◽  
S. Venugopal Rao ◽  
S. Hamad ◽  
S.M. Dharmaprakash
Keyword(s):  
Thin Film ◽  
Nonlinear Optical ◽  
Optical Study ◽  
Tert Butyl ◽  
Linear And Nonlinear

Microstructural, linear and nonlinear optical study of spray pyrolysed nanostructured La–ZnO thin film: An effect of deposition temperature

2021 ◽  
Vol 122 ◽  
pp. 111742
Author(s):  
A. Ayana ◽  
Parutagouda Shankaragouda Patil ◽  
Neelamma B. Gummagol ◽  
U.K. Goutam ◽  
Pankaj Sharma ◽  
...  
Keyword(s):  
Thin Film ◽  
Deposition Temperature ◽  
Nonlinear Optical ◽  
Zno Thin Film ◽  
Optical Study ◽  
Linear And Nonlinear

scholarly journals Interchromophoric Interactions in Chiral X-type π-Conjugated Oligomers: A Linear and Nonlinear Optical Study

2011 ◽  
Vol 133 (5) ◽  
pp. 1317-1327 ◽  
Author(s):  
David Cornelis ◽  
Edith Franz ◽  
Inge Asselberghs ◽  
Koen Clays ◽  
Thierry Verbiest ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Conjugated Oligomers ◽  
Optical Study ◽  
Linear And Nonlinear

Linear and Nonlinear Optical Properties of Small Silicon Clusters

1990 ◽  
Author(s):  
Tapio T. Rantala ◽  
Mark I. Stockman ◽  
Daniel A. Jelski ◽  
Thomas F. George
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Nonlinear Optical Properties ◽  
Silicon Clusters ◽  
Linear And Nonlinear

scholarly journals Linear and nonlinear optical responses in the chiral multifold semimetal RhSi

2020 ◽  
Vol 5 (1) ◽  
Author(s):  
Zhuoliang Ni ◽  
B. Xu ◽  
M.-Á. Sánchez-Martínez ◽  
Y. Zhang ◽  
K. Manna ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Chemical Potential ◽  
Technological Development ◽  
Optical Responses ◽  
Chiral Magnetic Effect ◽  
Hole Band ◽  
Linear And Nonlinear ◽  
Characteristic Features ◽  
Topological Semimetals ◽  
Terahertz Emission Spectroscopy

AbstractChiral topological semimetals are materials that break both inversion and mirror symmetries. They host interesting phenomena such as the quantized circular photogalvanic effect (CPGE) and the chiral magnetic effect. In this work, we report a comprehensive theoretical and experimental analysis of the linear and nonlinear optical responses of the chiral topological semimetal RhSi, which is known to host multifold fermions. We show that the characteristic features of the optical conductivity, which display two distinct quasi-linear regimes above and below 0.4 eV, can be linked to excitations of different kinds of multifold fermions. The characteristic features of the CPGE, which displays a sign change at 0.4 eV and a large non-quantized response peak of around 160 μA/V2 at 0.7 eV, are explained by assuming that the chemical potential crosses a flat hole band at the Brillouin zone center. Our theory predicts that, in order to observe a quantized CPGE in RhSi, it is necessary to increase the chemical potential as well as the quasiparticle lifetime. More broadly, our methodology, especially the development of the broadband terahertz emission spectroscopy, could be widely applied to study photogalvanic effects in noncentrosymmetric materials and in topological insulators in a contact-less way and accelerate the technological development of efficient infrared detectors based on topological semimetals.

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