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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
Publikováno v:
Optics Express.
The two major challenges in Raman spectroscopy are the low intensity of spontaneous Raman scattering and often accompanying luminescence. We overcome these two issues with a novel fiber-dispersive Raman spectrometer utilizing pulsed excitation and a
Publikováno v:
Optics Express.
We demonstrate orbital-angular momentum (OAM) light up to a topological charge of l=3 behind a single mode fiber. Femtosecond 3D direct laser writing is used to fabricate spiral phase plates of l=1,2 and 3, composed of 10 discrete steps, on the tip o