Spectrally resolved cathodoluminescence imaging study of periodic [001]/[00-1] GaAs structures for nonlinear optical conversion

2012 ◽  
Vol 9 (7) ◽  
pp. 1674-1676 ◽  
Author(s):  
V. Hortelano ◽  
O. Martínez ◽  
J. Jiménez ◽  
C. Lynch ◽  
M. Snure ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Imaging Study ◽  
Optical Conversion ◽  
Spectrally Resolved ◽  
Cathodoluminescence Imaging

Spectrally Resolved Nonlinear Optical Response of Upconversion Lanthanide-Doped NaYF4 Nanoparticles

2011 ◽  
Vol 115 (34) ◽  
pp. 16849-16855 ◽  
Author(s):  
Marcin Nyk ◽  
Dominika Wawrzynczyk ◽  
Krzysztof Parjaszewski ◽  
Marek Samoc
Keyword(s):  
Nonlinear Optical ◽  
Optical Response ◽  
Nonlinear Optical Response ◽  
Spectrally Resolved

Random quasi-phase-matched nonlinear optical conversion of supercontinuum to the ultraviolet

2013 ◽  
Vol 103 (25) ◽  
pp. 251104 ◽  
Author(s):  
A. S. Aleksandrovsky ◽  
A. M. Vyunishev ◽  
A. I. Zaitsev ◽  
V. V. Slabko
Keyword(s):  
Nonlinear Optical ◽  
Optical Conversion

Method of studying nonlinear optical conversion in a proustite crystal

1975 ◽  
Vol 18 (3) ◽  
pp. 387-388
Author(s):  
L. N. Gnatyuk ◽  
S. N. Marchenko ◽  
G. I. Rukman
Keyword(s):  
Nonlinear Optical ◽  
Optical Conversion

scholarly journals Nonlinear Optical Pigments. Two-Photon Absorption in Crosslinked Conjugated Polymers and Prospects for Remote Nonlinear Optical Thermometry

Polymers ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 1670
Author(s):  
Jan K. Zaręba ◽  
Marcin Nyk ◽  
Marek Samoć
Keyword(s):  
Solid State ◽  
Conjugated Polymers ◽  
Nonlinear Optical ◽  
Photon Absorption ◽  
Model Compounds ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Sensing Applications ◽  
Spectrally Resolved ◽  
The Impact

Nonlinear optical (NLO) pigments are compounds insoluble in solvents that exhibit phenomena related to nonlinear optical susceptibilities (χ(n) where n = 2,3,...), e.g., two-photon absorption (2PA) which is related to the imaginary part of χ(3). Determination of spectrally-resolved 2PA properties for NLO pigments of macromolecular nature, such as coordination polymers or crosslinked polymers, has long been a challenging issue due to their particulate form, precluding characterizations with standard techniques such as Z-scan. In this contribution, we investigate thus far unknown spectrally-resolved 2PA properties of a new subclass of NLO pigments—crosslinked conjugated polymers. The studied compounds are built up from electron-donating (triphenylamine) and electron-withdrawing (2,2’-bipyridine) structural fragments joined by vinylene (Pol1) or vinyl(4-ethynylphenyl) (Pol2) aromatic bridges. 2PA properties of these polymers have been characterized in broad spectral range by specially modified two-photon excited fluorescence (TPEF) techniques: solid state TPEF (SSTPEF) and internal standard TPEF (ISTPEF). The impact of self-aggregation of aromatic backbones on the 2PA properties of the polymers has been evaluated through extended comparisons of NLO parameters, i.e., 2PA cross sections (σ2) and molar-mass normalized 2PA merit factors (σ2/M) with those of small-molecular model compounds: Mod1 and Mod2. By doing this, we found that the 2PA response of Pol1 and Pol2 is improved 2–3 times versus respective model compounds in the solid state form. Further comparisons with 2PA results collected for diluted solutions of Mod1 and Mod2 supports the notion that self-aggregated structure contributes to the observed enhancement of 2PA response. On the other hand, it is clear that Pol1 and Pol2 suffer from aggregation-caused quenching phenomenon, well reflected in time-resolved fluorescence properties as well as in relatively low values of quantum yield of fluorescence. Accordingly, despite improved intrinsic 2PA response, the effective intensity of two-photon excited emission for Pol1 and Pol2 is slightly lower relative to Mod1 and Mod2. Finally, we explore temperature-resolved luminescence properties under one- (377 nm), two- (820 nm), and three-photon excitation (1020 nm) conditions of postsynthetically Eu3+-functionalized material, Pol1-Eu, and discuss its suitability for temperature sensing applications.

High-power sources of eye-safe radiation, based on nonlinear-optical conversion of the radiation of YAG:Nd lasers

2000 ◽  
Vol 67 (11) ◽  
pp. 984 ◽  
Author(s):  
V. A. Orlovich ◽  
P. A. Apanasevich ◽  
S. A. Batishche ◽  
V. N. Belyi ◽  
A. A. Bui ◽  
...  
Keyword(s):  
High Power ◽  
Nonlinear Optical ◽  
Power Sources ◽  
Optical Conversion

Maximizing Nonlinear Optical Conversion in Plasmonic Nanoparticles through Ideal Absorption of Light

ACS Photonics ◽  
2016 ◽  
Vol 3 (8) ◽  
pp. 1453-1460 ◽  
Author(s):  
Jérémy Butet ◽  
Kuang-Yu Yang ◽  
Shourya Dutta-Gupta ◽  
Olivier J. F. Martin
Keyword(s):  
Nonlinear Optical ◽  
Plasmonic Nanoparticles ◽  
Optical Conversion ◽  
Absorption Of Light
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