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LL
Lian Li
Author with expertise in Photonics and Optoelectronics of Lithium Niobate Crystals
Achievements
Cited Author
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Upvotes received:
0
Publications:
3
(0% Open Access)
Cited by:
1,603
h-index:
14
/
i10-index:
20
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Biology
< 1%
Chemistry
< 1%
Economics
< 1%
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Overview
Publications
3
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Publications
0
Laser-induced holographic surface relief gratings on nonlinear optical polymer films
Dug Kim
et al.
Mar 6, 1995
We report observation of holographic surface relief gratings with relatively large amplitude on a second order nonlinear optical polymeric material. Surface relief gratings on these polymer films were created upon exposure to polarized Ar+ laser beams at 488 nm without any subsequent processing steps. The surface structure of the relief gratings was investigated by atomic force microscopy. The depth of the surface relief in a typical case was 120 nm which is approximately 20% of the original film thickness. The diffraction efficiency of gold-coated gratings was investigated as a function of wavelength and capability of recording orthogonal gratings on the same film was demonstrated.
Electrical And Electronic Engineering
Atomic And Molecular Physics, And Optics
0
Paper
Electrical And Electronic Engineering
1,140
0
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0
Gradient force: The mechanism for surface relief grating formation in azobenzene functionalized polymers
Jayant Kumar
et al.
Apr 27, 1998
A model for the formation of holographic surface relief gratings in azobenzene functionalized polymers is presented. Forces leading to migration of polymer chains upon exposure to light in the absorption band of the azo chromophore are attributed to dipoles interacting with the gradient of the electric field present in the polymer material. Efficient trans–cis cycling in the azobenzenes allows cooperative movement of the chromophores under the influence of gradient forces.
Organic Chemistry
Atomic And Molecular Physics, And Optics
0
Paper
Organic Chemistry
462
0
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0
Epitaxial growth of quantum dots on van der Waals surfaces
Kaiyao Xin
et al.
Jun 4, 2024
Organic Chemistry
Biomedical Engineering
0
Paper
Organic Chemistry
1
0
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