Non-linear optical properties of poly(phenylene vinylene) in porous silicon substrates

2005 ◽  
Vol 2 (9) ◽  
pp. 3222-3226 ◽  
Author(s):  
T. P. Nguyen ◽  
P. Le Rendu ◽  
C. Simos ◽  
P. X. Nguyen ◽  
V. Skarka ◽  
...  
Keyword(s):  
Optical Properties ◽  
Porous Silicon ◽  
Phenylene Vinylene ◽  
Silicon Substrates ◽  
Non Linear ◽  
Linear Optical Properties ◽  
Linear Optical

Non-linear optical properties of porous silicon

1996 ◽  
Vol 198-200 ◽  
pp. 977-980 ◽  
Author(s):  
Y. Kanemitsu ◽  
T. Matsumoto ◽  
H. Mimura
Keyword(s):  
Optical Properties ◽  
Porous Silicon ◽  
Non Linear ◽  
Linear Optical Properties ◽  
Linear Optical

Third Order Non-Linear Optical Properties of Polyphenylene Vinylene Derivatives in the Infrared Range

2001 ◽  
Vol 665 ◽  
Author(s):  
Yuri A. Dubitsky ◽  
Antonio Zaopo ◽  
Andrea Zappettini ◽  
Giulia Facchini ◽  
Franco D Amore ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Optical Properties ◽  
Phenylene Vinylene ◽  
Infrared Range ◽  
Third Harmonic ◽  
The Third ◽  
Excitonic Absorption ◽  
Non Linear ◽  
Linear Optical Properties ◽  
Linear Optical

ABSTRACTThe non-linear optical properties of poly[1,4-phenylene-1-phenyl vinylene], poly[1,4-phenylene-1,2-di(4′-phenoxyphenyl) vinylene], poly[2,5-dioctyloxy-1,4-phenylene vinylene] and poly[2- methoxy -5- (2'-ethylhexyloxy)-1,4-phenylene vinylene] MEH-PPV with different molecular weights were studied by the Third Harmonic Generation (THG) technique. The dispersion of the χ3 coefficient was measured in the wide infra red range from 1.2 up to 2.1 μm. It was shown that the highest χ3 value, observed for the high molecular weight MEH-PPV (Mw 230.000), reaches the maximum of 8x10-11 esu at 1.77 μm. At the same time, the medium molecular weight MEH-PPV (Mw 95.000) demonstrated not significantly different χ3 value of 6x10-11 esu. The dispersion of the χ3 coefficient was compared to the absorption of the third harmonic beam and strong χ3 enhancement relative to the excitonic absorption was observed. However, a surprising shift of about 70 nm towards the longer wavelengths between the two peaks was always observed for all studied PPV derivatives. The results of THG measurements were compared to those obtained by conventional Zscan technique in the same range. It was shown that the THG χ3 values in infrared range were up to one order of magnitude lower than those of direct Z-scan measurements.

scholarly journals Controlling the non-linear optical properties of MgO by tailoring the electronic structure

2020 ◽  
Vol 126 (3) ◽  
Author(s):  
Mukhtar Hussain ◽  
Hugo Pires ◽  
Willem Boutu ◽  
Dominik Franz ◽  
Rana Nicolas ◽  
...  
Keyword(s):  
Optical Properties ◽  
Electronic Structure ◽  
Non Linear ◽  
Linear Optical Properties ◽  
Linear Optical

Synthesis of pyrazole anchored three-coordinated organoboranes and their application in the detection of picric acid

2021 ◽  
Author(s):  
Shreenibasa Sa ◽  
Vanga Mukundam ◽  
Anupa Kumari ◽  
Ritwick Das ◽  
Krishnan Venkatasubbaiah
Keyword(s):  
Optical Properties ◽  
Picric Acid ◽  
Non Linear ◽  
Linear Optical Properties ◽  
Linear Optical

Three-coordinated organoboron fluorophores bearing 3,5-diphenyl pyrazoles have been synthesized and studied their optical and non-linear optical properties to detect picric acid.

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