Journal ArticleDOI
χ(3) measurement and optical limiting properties of metal complexes of thiourea using Z-scan
TLDR
The third order NLO properties of thiourea and its metal complexes were measured using a 532nm second harmonic of diode pumped Nd:YAG laser (1064nm, 50mW) by employing the Z-scan technique.About:
This article is published in Materials Chemistry and Physics.The article was published on 2011-09-15. It has received 65 citations till now. The article focuses on the topics: Z-scan technique.read more
Citations
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Journal ArticleDOI
Nonlinear Optical Materials for the Smart Filtering of Optical Radiation.
TL;DR: This Review gives emphasis to the nonlinear optical properties of photoactive materials for the function of optical power limiting and describes the known mechanisms of optical limiting for the different types of materials.
Journal ArticleDOI
Third-order nonlinear optical properties of acid green 25 dye by Z-scan method
S. Jeyaram,T. Geethakrishnan +1 more
TL;DR: In this paper, aqueous solution of acid green 25 dye exhibits self-defocusing type optical nonlinearity, which is attributed to reverse saturable absorption (RSA) and thermal nonlinear effects.
Journal ArticleDOI
Enhanced nonlinear optical absorption and optical limiting properties of superparamagnetic spinel zinc ferrite decorated reduced graphene oxide nanostructures
M. Saravanan,T.C. Sabari Girisun +1 more
TL;DR: In this article, nonlinear absorption and optical limiting properties of ZnFe 2 O 4 -rGO magnetic nanostructures were investigated by the Z-scan technique using Q-switched Nd:YAG laser (5 n, 532 n, 10 n) as an excitation source.
Journal ArticleDOI
Synthesis, growth, structural and HOMO and LUMO, MEP analysis of a new stilbazolium derivative crystal: A enhanced third-order NLO properties with a high laser-induced damage threshold for NLO applications
TL;DR: In this article, a new organic third-order nonlinear optical crystal from stilbazolium family 2-[2-(4-methoxy-phenyl) vinyl]-1-methyl-pyridinium tetrafluoroborate (4MSTB) has been synthesized and grown by slow evaporation method for the first time.
Journal ArticleDOI
Investigation on the linear and nonlinear optical properties of a metal organic complex—Bis thiourea zinc acetate single crystal
G. Pabitha,R. Dhanasekaran +1 more
TL;DR: The third order nonlinear optical properties of bis thiourea zinc acetate single crystal were measured using He-Ne laser (λ=632.8nm) by employing the Z-scan technique as mentioned in this paper.
References
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Journal ArticleDOI
Sensitive measurement of optical nonlinearities using a single beam
TL;DR: In this paper, a single-beam technique for measuring both the nonlinear refractive index and nonlinear absorption coefficient for a wide variety of materials is reported, including a comprehensive theoretical analysis.
Journal ArticleDOI
Nanoengineering of particle surfaces.
TL;DR: In this article, the authors present the state-of-the-art in strategies for engineering particle surfaces, such as the layer-by-layer deposition process, which allows fine control over shell thickness and composition.
Journal ArticleDOI
High-sensitivity, single-beam n(2) measurements.
TL;DR: A simple yet highly sensitive single-beam experimental technique for the determination of both the sign and magnitude of n(2), where the sample is moved along the z direction of a focused Gaussian beam while the repetitively pulsed laser energy is held fixed.
Journal ArticleDOI
A review of optical limiting mechanisms and devices using organics, fullerenes, semiconductors and other materials
Lee W. Tutt,Thomas F. Boggess +1 more
TL;DR: In this article, the authors review nonlinear optical processes in various materials which can be utilized in passive optical limiting devices, including reverse saturable absorption, two-photon and free-carrier absorption, nonlinear refraction and induced scattering.
Journal ArticleDOI
A systematic study of polarizability and microscopic third‐order optical nonlinearity in thiophene oligomers
TL;DR: In this paper, a systematic study of the dependence of the band gap, the linear optical susceptibility, the polarizability α, and the second hyperpolarizability γ, on the number of repeat unit is conducted for the thiophene series from monomer to hexamer.