Optical trapping using transverse electromagnetic (TEM)-like mode in a coaxial nanowaveguide

2021 ◽  
Author(s):  
Yuanhao Lou ◽  
Xiongjie Ning ◽  
Bei Wu ◽  
Yuanjie Pang
Keyword(s):  
Optical Trapping ◽  
Transverse Electromagnetic

Optical trapping for engineering manufacture

2007 ◽  
Author(s):  
S. P. Edwardson ◽  
W. Perrie ◽  
M. Sharp ◽  
G. Dearden ◽  
Z. B. Wang ◽  
...  
Keyword(s):  
Optical Trapping

Embedding arrays of microspheres with optical trapping for micro scale device manufacture

2010 ◽  
Author(s):  
J. Croft ◽  
S. P. Edwardson ◽  
C. J. Williams ◽  
O. J. Allegre ◽  
G. Dearden ◽  
...  
Keyword(s):  
Optical Trapping ◽  
Micro Scale

scholarly journals Near-Field Scanning Millimeter-Wave Microscope Operating Inside a Scanning Electron Microscope: Towards Quantitative Electrical Nanocharacterization

2021 ◽  
Vol 11 (6) ◽  
pp. 2788
Author(s):  
Petr Polovodov ◽  
Didier Théron ◽  
Clément Lenoir ◽  
Dominique Deresmes ◽  
Sophie Eliet ◽  
...  
Keyword(s):  
Electron Microscope ◽  
Scanning Electron Microscope ◽  
Millimeter Wave ◽  
Radiation Effects ◽  
Near Field ◽  
Complex Impedance ◽  
Standard Operating Procedure ◽  
Critical Issue ◽  
Transverse Electromagnetic ◽  
Scanning Electron

The main objectives of this work are the development of fundamental extensions to existing scanning microwave microscopy (SMM) technology to achieve quantitative complex impedance measurements at the nanoscale. We developed a SMM operating up to 67 GHz inside a scanning electron microscope, providing unique advantages to tackle issues commonly found in open-air SMMs. Operating in the millimeter-wave frequency range induces high collimation of the evanescent electrical fields in the vicinity of the probe apex, resulting in high spatial resolution and enhanced sensitivity. Operating in a vacuum allows for eliminating the water meniscus on the tip apex, which remains a critical issue to address modeling and quantitative analysis at the nanoscale. In addition, a microstrip probing structure was developed to ensure a transverse electromagnetic mode as close as possible to the tip apex, drastically reducing radiation effects and parasitic apex-to-ground capacitances with available SMM probes. As a demonstration, we describe a standard operating procedure for instrumentation configuration, measurements and data analysis. Measurement performance is exemplarily shown on a staircase microcapacitor sample at 30 GHz.

Effect of the thermal–optical nonlinearity on optical trapping Rayleigh particles

2021 ◽  
Vol 495 ◽  
pp. 127071
Author(s):  
Xiaohe Zhang ◽  
Liping Gong ◽  
Guanghao Rui ◽  
Jun He ◽  
Yiping Cui ◽  
...  
Keyword(s):  
Optical Trapping ◽  
Optical Nonlinearity

scholarly journals Resonantly Enhanced Optical Trapping of Single Dye-Doped Particles at an Interface

ACS Photonics ◽  
2021 ◽  
Author(s):  
Roger Bresolí-Obach ◽  
Tetsuhiro Kudo ◽  
Boris Louis ◽  
Yu-Chia Chang ◽  
Ivan G. Scheblykin ◽  
...  
Keyword(s):  
Optical Trapping

scholarly journals Optical trapping

2004 ◽  
Vol 75 (9) ◽  
pp. 2787-2809 ◽  
Author(s):  
Keir C. Neuman ◽  
Steven M. Block
Keyword(s):  
Optical Trapping

scholarly journals Computer-Aided Laser-Fiber Output Beam 3D Spatial and Angular Design

Symmetry ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 83
Author(s):  
Rocío Pérez de Prado ◽  
Sebastián García-Galán ◽  
José Enrique Muñoz-Expósito ◽  
Adam Marchewka
Keyword(s):  
Gaussian Beam ◽  
Beam Theory ◽  
Single Mode ◽  
Wave Theory ◽  
Spatial Behavior ◽  
Output Beam ◽  
Laser Fiber ◽  
Computer Aided ◽  
Fiber Output ◽  
Transverse Electromagnetic

Multiple laser beams and single-mode optical fibers output can be approximated by assuming that the emitted light has a symmetrical Gaussian intensity profile, which corresponds to the transverse electromagnetic mode (TEM00), which is designated as a Gaussian beam. Current free-accessible design tools are limited to the spatial analysis of the beams, in general, and to the intensity, in particular, and to the graphical visualization in 2D with very limited options. In this work, a novel a computer-aided laser-fiber output beam TEM00 designer, CATEM00, is presented based on the 3D representations typically provided by camera beam profilers, and on the fundamentals of the wave theory of light, including diverse flexibility capabilities for graphical manipulation and parameter comprehension both in terms of spatial behavior and in angular confinement. It must be highlighted that not only is the spatial limitation design of light impact relevant in TEM00 applications but, also, the angle with which the light reaches the target. Hence, the availability of capabilities of phase design in TEM00 following the paraxial limitations is highly convenient. Results and discussion in terms of intensity, power, divergence and wave fronts are presented considering a set of study cases, showing its coherence with Gaussian beam theory.

Highly Efficient Dual-Fiber Optical Trapping with 3D Printed Diffractive Fresnel Lenses

ACS Photonics ◽  
2019 ◽  
Vol 7 (1) ◽  
pp. 88-97 ◽  
Author(s):  
Asa Asadollahbaik ◽  
Simon Thiele ◽  
Ksenia Weber ◽  
Aashutosh Kumar ◽  
Johannes Drozella ◽  
...  
Keyword(s):  
Optical Trapping ◽  
Highly Efficient ◽  
Fiber Optical ◽  
Fresnel Lenses ◽  
3D Printed
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