Zobrazeno 1 - 10
of 3 292
pro vyhledávání: '"optical nonlinearity"'
Autor:
S. E. Savotchenko
Publikováno v:
Российский технологический журнал, Vol 12, Iss 5 (2024)
Objectives. Determining the patterns of dispersion properties of waveguide modes of the optical range in layered media with distributed optical properties is a both a pressing and significant matter for study. It has fundamental and applied importanc
Externí odkaz:
https://doaj.org/article/e6cf340769b54881bb11e7da4084a0a5
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Graphene Quantum Dots (GQDs) are crucial in biomedicine for sensitive biosensing and high-resolution bioimaging and in photonics for their nonlinear optical properties. Integrating GQDs with photonic structures enhances optical properties by
Externí odkaz:
https://doaj.org/article/3fb2a80c8ad54887bca812a37c76fb76
Publikováno v:
Journal of Optoelectronical Nanostructures, Vol 9, Iss 2, Pp 47-63 (2024)
Abstract In this paper, the influence of host liquid’s properties on far-field intensity distribution of a continuous Gaussian laser beam passing through the synthesized colloidal gold nanoparticles (AuNPs) is experimentally and numerically studied
Externí odkaz:
https://doaj.org/article/9817faa0ce694cff97a8673342c2ba8a
Publikováno v:
Nanomaterials, Vol 14, Iss 19, p 1568 (2024)
Spherical quantum wells (SQWs) have proven to be excellent materials for suppressing Auger recombination due to their expanded confinement volume. However, research on the factors and mechanisms of their high-intensity optical properties, such as mul
Externí odkaz:
https://doaj.org/article/30c88ff436cb417bad49ae911312040c
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 176-185 (2023)
In this work, the photothermal nonlinearity within a layered bismuth telluride (Bi2Te3) is studied in detail. The dynamics of the optical nonlinearity with increasing photothermal effect are investigated via pump-probe spectroscopy. The difference be
Externí odkaz:
https://doaj.org/article/9bcf3ae0ef9d4d17a0cca5ef46780f23
Autor:
S. E. Savotchenko
Publikováno v:
Российский технологический журнал, Vol 11, Iss 4, Pp 84-93 (2023)
Objectives. Theoretical studies of the waveguide properties of interfaces between nonlinear optical and graded-index media are important for application in optoelectronics. Waveguides combining layers with different optical properties seem to be the
Externí odkaz:
https://doaj.org/article/5a21355a242d47bbbb6c60066b20a4a2
Autor:
Jianpeng Ye, Min Huang
Publikováno v:
Results in Physics, Vol 58, Iss , Pp 107474- (2024)
The intensity dependence of anisotropic third-order optical nonlinearity approaching the damage threshold in ZnSe and GaP crystals is studied by the femtosecond laser pump–probe measurements, which can greatly reduce the laser-matter interaction le
Externí odkaz:
https://doaj.org/article/3c1b626612df4796b14fd1fe528a208c
Autor:
Nishida Kentaro, Sasai Koki, Xu Rongyang, Yen Te-Hsin, Tang Yu-Lung, Takahara Junichi, Chu Shi-Wei
Publikováno v:
Nanophotonics, Vol 12, Iss 1, Pp 139-146 (2022)
In this paper, we theoretically and experimentally demonstrated photothermal nonlinearities of both forward and backward scattering intensities from quasi-perfect absorbing silicon-based metasurface with only λ/7 thickness. The metasurface is effici
Externí odkaz:
https://doaj.org/article/bb508fc6884a40cbabe820895ed594da
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