Zobrazeno 1 - 10
of 25
pro vyhledávání: '"785"'
Autor:
Enlai Song, Xueting Long, Qiaochu Yang, Fangzhou Jin, Xu Yue, Zesen Li, Lili Liang, Yang Ran, Bai-Ou Guan
Publikováno v:
Optics Express. 31:15674
Fiber-optic devices working in the visible and near-infrared windows are attracting attention due to the rapid development of biomedicine that involves optics. In this work, we have successfully realized the fabrication of near-infrared microfiber Br
Autor:
Md Rabiul Hasan, Olav Gaute Hellesø
Publikováno v:
Optics Express. 31:6782
Optical trapping combined with Raman spectroscopy have opened new possibilities for analyzing biological nanoparticles. Conventional optical tweezers have proven successful for trapping of a single or a few particles. However, the method is slow and
Publikováno v:
Optics Express. 24:12281
MoS2 films are grown on SiO2/Si substrates by chemical vapor deposition. The vibrational properties of optical phonons of mono-, bi- and multilayer MoS2 are studied by Raman scattering spectroscopy over temperature range from 90 to 540 K with 514.5 n
Publikováno v:
Optics express. 29(16)
In this paper, a surface-enhanced Raman scattering (SERS) sensor with a giant field enhancement factor based on the coupling of surface plasmon polaritons (SPPs) is designed and studied theoretically. The proposed sensor adopts a metal-dielectric lay
Publikováno v:
Optics express. 29(8)
A novel radius of the curvature measurement method for optical spherical surfaces using absolute interferometry is proposed. A measurement setup is designed and built around a common-path Fizeau interferometer. The cavity length (volume of air betwee
Autor:
Narcisa Nechita, Cosmin Farcau
Publikováno v:
Optics Express. 29:42238
The overall optical response (transmittance, reflectance, and absorbance) of metal film over nanospheres (MFoN) is studied for a wide range of sphere diameters (200 - 1000 nm) and metal film thicknesses (40–200 nm), over the 450 - 2000 nm spectral
Autor:
Ni Yao, Limin Tong, Zhen Wang, Heqing Wang, Xiaoming Xie, Weijun Zhang, Hao Li, Xiao-Yu Liu, Wei Fang, Lixing You, Yong Wang, Hou Xintong
Publikováno v:
Optics express. 27(18)
Broadband photon detectors are a key enabling technology for various applications such as spectrometers, light detection and ranging. In this work, we report on an ultra-broadband single-photon detector based on a microfiber (MF)-coupled superconduct
Autor:
Sander N. Dorenbos, Julien Zichi, Johannes W. N. Los, Ronan Gourgues, Gabriele Bulgarini, Nima Kalhor, Val Zwiller, Jin Chang, Iman Esmaeil Zadeh
Publikováno v:
Optics Express, 27(17)
We experimentally investigate the performance of NbTiN superconducting nanowire single photon detectors above the base temperature of a conventional Gifford-McMahon cryocooler (2.5 K). By tailoring design and thickness (8 - 13 nm) of the detectors, h
Publikováno v:
Optics Express. 28:37226
We report a new design optimization process for planar photonic waveguides applied to waveguide-enhanced Raman spectroscopy (WERS) that combines the optimization of both the surface intensity performance and the grating coupling efficiency. We consid
Autor:
Jing Deng, Yan Ge, Jinhui Li, Lin Zixiong, Dai Shutao, Huagang Liu, Jianhong Huang, Wenxiong Lin, Haizhou Huang
Publikováno v:
Optics express. 26(5)
We demonstrate an enhancement mechanism and thermal model for intra-cavity pumped lasers, where resonance enhancement in intra-cavity pumped Ho laser was achieved by manipulating the wavelength-drift nature of the Tm laser for the first time. Optical