Chromatic dispersion-based wide-band, fiber-coupled, tunable light source for hyperspectral imaging

2021 ◽  
Author(s):  
Gargi Sharma ◽  
Sheeza Kainat Naveed ◽  
Asha Parmar ◽  
Kanwarpal Singh
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
Chromatic Dispersion ◽  
Wide Band

scholarly journals Chromatic dispersion based wide-band, fiber-coupled, tunable light source for hyperspectral imaging

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Gargi Sharma ◽  
Sheeza Kainat Naveed ◽  
Asha Parmar ◽  
Kanwarpal Singh
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
Chromatic Dispersion ◽  
Wide Band

scholarly journals 6 nm super-resolution optical transmission and scattering spectroscopic imaging of carbon nanotubes using a nanometer-scale white light source

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Xuezhi Ma ◽  
Qiushi Liu ◽  
Ning Yu ◽  
Da Xu ◽  
Sanggon Kim ◽  
...  
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
White Light ◽  
Optical Transmission ◽  
Super Resolution ◽  
Strain Engineering ◽  
Optical Methods ◽  
Material Research ◽  
Halogen Lamp ◽  
White Light Source

AbstractOptical transmission and scattering spectroscopic microscopy at the visible and adjacent wavelengths denote one of the most informative and inclusive characterization methods in material research. Unfortunately, restricted by the diffraction limit of light, it cannot resolve the nanoscale variation in light absorption and scattering, diagnostics of the local inhomogeneity in material structure and properties. Moreover, a large quantity of nanomaterials has anisotropic optical properties that are appealing yet hard to characterize through conventional optical methods. There is an increasing demand to extend the optical hyperspectral imaging into the nanometer length scale. In this work, we report a super-resolution hyperspectral imaging technique that uses a nanoscale white light source generated by superfocusing the light from a tungsten-halogen lamp to simultaneously obtain optical transmission and scattering spectroscopic images. A 6-nm spatial resolution in the visible to near-infrared wavelength regime (415–980 nm) is demonstrated on an individual single-walled carbon nanotube (SW-CNT). Both the longitudinal and transverse optical electronic transitions are measured, and the SW-CNT chiral indices can be identified. The band structure modulation in a SW-CNT through strain engineering is mapped.

scholarly journals Multi-LED light source for hyperspectral imaging

2017 ◽  
Vol 25 (26) ◽  
pp. 32659 ◽  
Author(s):  
Kashif Islam ◽  
Martin Ploschner ◽  
Ewa M. Goldys
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
Led Light

An active hyperspectral imaging system based on a multi-LED light source

2019 ◽  
Vol 90 (2) ◽  
pp. 026107
Author(s):  
Huijie Wang ◽  
Yifan Hu ◽  
Xiangyun Ma ◽  
Jinglai Sun ◽  
Xueqing Sun ◽  
...  
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
Imaging System ◽  
Led Light

Testing a high-power LED based light source for hyperspectral imaging microscopy

2017 ◽  
Author(s):  
Phiwat Klomkaew ◽  
Sam A. Mayes ◽  
Thomas C. Rich ◽  
Silas J. Leavesley
Keyword(s):  
Light Source ◽  
Hyperspectral Imaging ◽  
High Power ◽  
High Power Led
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