Optics Communications, volume 284, issue 9, pages 2370-2375

Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter

Publication typeJournal Article
Publication date2011-05-01
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor2.4
ISSN00304018
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
In this work, nonlinear refraction properties of 3 nm sized silver sulfide (Ag 2 S) semiconductor nanocrystals dispersed in the dimethyl sulfoxide with varying concentrations are reported. Observation of the colloids far-field diffraction ring patterns indicates of large induced thermal nonlinear refraction in the medium. The thermally induced effective nonlinear refractive index due to nonlocal heat effect is characterized by Z-scan technique with a low power CW laser irradiation at 532 nm. This allows us to measure thermo-optic coefficient and effective nonlinear refractive index up to −1.52 × 10 −7  cm 2 /W in the tested samples. Low power optical limiting, with low limiting thresholds is obtained in the samples based on thermal defocusing and self diffraction. The limiting thresholds of colloids at different Ag 2 S nanocrystals concentrations are also reported.

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Karimzadeh R., Aleali H., Mansour N. Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter // Optics Communications. 2011. Vol. 284. No. 9. pp. 2370-2375.
GOST all authors (up to 50) Copy
Karimzadeh R., Aleali H., Mansour N. Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter // Optics Communications. 2011. Vol. 284. No. 9. pp. 2370-2375.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.optcom.2011.01.014
UR - https://doi.org/10.1016/j.optcom.2011.01.014
TI - Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter
T2 - Optics Communications
AU - Karimzadeh, Rouhollah
AU - Aleali, H
AU - Mansour, N.
PY - 2011
DA - 2011/05/01 00:00:00
PB - Elsevier
SP - 2370-2375
IS - 9
VL - 284
SN - 0030-4018
ER -
BibTex |
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BibTex Copy
@article{2011_Karimzadeh,
author = {Rouhollah Karimzadeh and H Aleali and N. Mansour},
title = {Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter},
journal = {Optics Communications},
year = {2011},
volume = {284},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.optcom.2011.01.014},
number = {9},
pages = {2370--2375},
doi = {10.1016/j.optcom.2011.01.014}
}
MLA
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MLA Copy
Karimzadeh, Rouhollah, et al. “Thermal nonlinear refraction properties of Ag2S semiconductor nanocrystals with its application as a low power optical limiter.” Optics Communications, vol. 284, no. 9, May. 2011, pp. 2370-2375. https://doi.org/10.1016/j.optcom.2011.01.014.
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