Far-field wide-field label-free nanoscale imaging based on full-angle evanescent wave illumination (Conference Presentation)

2018 ◽  
Author(s):  
Qing Yang
Keyword(s):  
Evanescent Wave ◽  
Wide Field ◽  
Far Field ◽  
Label Free ◽  
Nanoscale Imaging

scholarly journals Tomographic Diffractive Microscopy: A Review of Methods and Recent Developments

2019 ◽  
Vol 9 (18) ◽  
pp. 3834
Author(s):  
Zhang ◽  
Li ◽  
Godavarthi ◽  
Ruan
Keyword(s):  
Super Resolution ◽  
Geometrical Parameters ◽  
Wide Field ◽  
Far Field ◽  
Label Free ◽  
Microscopy Technique ◽  
Nano Structures ◽  
Significant Difference ◽  
Recent Developments ◽  
Collimated Beam

Tomographic diffractive microscopy (TDM) is a label-free, far-field, super-resolution microscope. The significant difference between TDM and wide-field microscopy is that in TDM the sample is illuminated from various directions with a coherent collimated beam and the complex diffracted field is collected from many scattered angles. By utilizing inversion procedures, the permittivity/refractive index of investigated samples can be retrieved from the measured diffracted field to reconstruct the geometrical parameters of a sample. TDM opens up new opportunities to study biological samples and nano-structures and devices, which require resolution beyond the Rayleigh limit. In this review, we describe the principles and recent advancements of TDM and also give the perspectives of this fantastic microscopy technique.

scholarly journals Label Free High Speed Wide Field Imaging of Single Microtubules using Interference Reflection Microscopy

2018 ◽  
Vol 114 (3) ◽  
pp. 504a-505a
Author(s):  
Mohammed Mahamdeh ◽  
Steve Simmert ◽  
Anna Łuchniak ◽  
Erik Schäffer ◽  
Jonathon Howard
Keyword(s):  
High Speed ◽  
Wide Field ◽  
Label Free ◽  
Field Imaging ◽  
Wide Field Imaging

scholarly journals Label-free surface-sensitive photonic microscopy with high spatial resolution using azimuthal rotation illumination

2019 ◽  
Vol 5 (3) ◽  
pp. eaav5335 ◽  
Author(s):  
Yan Kuai ◽  
Junxue Chen ◽  
Xi Tang ◽  
Yifeng Xiang ◽  
Fengya Lu ◽  
...  
Keyword(s):  
Free Surface ◽  
Spatial Resolution ◽  
High Surface ◽  
Metal Films ◽  
Wide Field ◽  
Label Free ◽  
Dielectric Substrates ◽  
Surface Sensitivity ◽  
Order Of Magnitude ◽  
Culture Growth

Surface plasmon resonance microscopy (SPRM) with single-direction illumination is a powerful platform for biomedical imaging because of its wide-field, label-free, and high-surface-sensitivity imaging capabilities. However, two disadvantages prevent wider use of SPRM. The first is its poor spatial resolution that can be as large as several micrometers. The second is that SPRM requires use of metal films as sample substrates; this introduces working wavelength limitations. In addition, cell culture growth on metal films is not as universally available as growth on dielectric substrates. Here we show that use of azimuthal rotation illumination allows SPRM spatial resolution to be enhanced by up to an order of magnitude. The metal film can also be replaced by a dielectric multilayer and then a different label-free surface-sensitive photonic microscopy is developed, which has more choices in terms of the working wavelength, polarization, and imaging section, and will bring opportunities for applications in biology.

Applications of nanostructures in wide-field, label-free super resolution microscopy

2018 ◽  
Vol 27 (11) ◽  
pp. 118704 ◽  
Author(s):  
Xiaowei Liu ◽  
Chao Meng ◽  
Xuechu Xu ◽  
Mingwei Tang ◽  
Chenlei Pang ◽  
...  
Keyword(s):  
Super Resolution ◽  
Wide Field ◽  
Label Free ◽  
Super Resolution Microscopy

Label-Free Measurements of Molecular Transport across Liposome Membranes using Evanescent-Wave Sensing

ChemPhysChem ◽  
2008 ◽  
Vol 9 (17) ◽  
pp. 2480-2485 ◽  
Author(s):  
Magnus Brändén ◽  
Sara Dahlin ◽  
Fredrik Höök
Keyword(s):  
Evanescent Wave ◽  
Molecular Transport ◽  
Label Free

scholarly journals Volumetric Nanoscale Imaging: Hard X-Ray Nanoholotomography: Large-Scale, Label-Free, 3D Neuroimaging beyond Optical Limit (Adv. Sci. 6/2018)

2018 ◽  
Vol 5 (6) ◽  
pp. 1870036
Author(s):  
Anna Khimchenko ◽  
Christos Bikis ◽  
Alexandra Pacureanu ◽  
Simone E. Hieber ◽  
Peter Thalmann ◽  
...  
Keyword(s):  
Large Scale ◽  
Label Free ◽  
X Ray ◽  
Nanoscale Imaging ◽  
Optical Limit

Fluorescent Nanowire Ring Illumination for Wide-Field Far-Field Subdiffraction Imaging

2017 ◽  
Vol 118 (7) ◽  
Author(s):  
Xiaowei Liu ◽  
Cuifang Kuang ◽  
Xiang Hao ◽  
Chenlei Pang ◽  
Pengfei Xu ◽  
...  
Keyword(s):  
Wide Field ◽  
Far Field

High-contrast wide-field evanescent wave illuminated subdiffraction imaging

2017 ◽  
Vol 42 (21) ◽  
pp. 4569 ◽  
Author(s):  
Chenlei Pang ◽  
Xiaowei Liu ◽  
Minghua Zhuge ◽  
Xu Liu ◽  
Michael Geoffrey Somekh ◽  
...  
Keyword(s):  
Evanescent Wave ◽  
Wide Field ◽  
High Contrast
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