focus shaping
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scholarly journals FOCUS SHAPING OF CYLINDRICALLY POLARIZED VORTEX BEAMS BY A LINEAR AXICON

2021 ◽  
Vol 2 (4) ◽  
pp. 145-150
Author(s):  
A. A. AlKelly ◽  
Ibrahim G. H. Loqman ◽  
Hassan T. Al-Ahsab
Keyword(s):  
Optical Tweezers ◽  
Polarization State ◽  
Numerical Aperture ◽  
Diffraction Theory ◽  
Focal Region ◽  
Dark Channel ◽  
Focus Shaping ◽  
Maximal Angle ◽  
Vortex Beams ◽  
Proper Values

Focus shaping of cylindrically polarized vortex beams (CPVBs) by linear axicon is studied theoretically. Vector diffraction theory has been used to derive the expressions of the light field in the focal region. It is shown that a different intensity distribution in the focal region can be obtained by adjusting the topological charge, the polarization rotation angle and the numerical aperture maximal angle. A focal spot, a dark channel and a flat-topped shapes are formed by choosing proper values of parameters. A controllable polarization state of dark channel is obtained. The different focal region shapes may find wide applications such as material processing and optical tweezers.

scholarly journals Dynamic focus shaping with mixed-aperture coherent beam combining

2021 ◽  
Author(s):  
Maike Prossotowicz ◽  
Daniel Flamm ◽  
Andreas Heimes ◽  
Florian Jansen ◽  
Hans-Jurgen Otto ◽  
...  
Keyword(s):  
Coherent Beam ◽  
Coherent Beam Combining ◽  
Beam Combining ◽  
Focus Shaping

Focus shaping of partially coherent radially polarized vortex beam with tunable topological charge

2019 ◽  
Vol 27 (17) ◽  
pp. 23959 ◽  
Author(s):  
Hua-Feng Xu ◽  
Rui Zhang ◽  
Zong-Qiang Sheng ◽  
Jun Qu
Keyword(s):  
Topological Charge ◽  
Vortex Beam ◽  
Partially Coherent ◽  
Focus Shaping ◽  
Radially Polarized

scholarly journals Focus shaping of the radially polarized Laguerre-Gaussian-correlated Schell-model vortex beams

2018 ◽  
Vol 26 (16) ◽  
pp. 20076 ◽  
Author(s):  
Hua-Feng Xu ◽  
Yuan Zhou ◽  
Hong-Wei Wu ◽  
Hua-Jun Chen ◽  
Zong-Qiang Sheng ◽  
...  
Keyword(s):  
Focus Shaping ◽  
Vortex Beams ◽  
Radially Polarized

Focus shaping and optical manipulation using highly focused second-order full Poincaré beam

2018 ◽  
Vol 35 (6) ◽  
pp. 953 ◽  
Author(s):  
Yuxiong Xue ◽  
Yusong Wang ◽  
Sichao Zhou ◽  
Hongwei Chen ◽  
Guanghao Rui ◽  
...  
Keyword(s):  
Second Order ◽  
Optical Manipulation ◽  
Focus Shaping

Focus shaping by tailoring arbitrary hybrid polarization states that have a combination of orthogonal linear polarization bases

2018 ◽  
Vol 57 (12) ◽  
pp. 3047 ◽  
Author(s):  
Zhongsheng Man ◽  
Zhidong Bai ◽  
Jinjian Li ◽  
Shuoshuo Zhang ◽  
Xiaoyu Li ◽  
...  
Keyword(s):  
Linear Polarization ◽  
Focus Shaping ◽  
Polarization States

Reverse engineering approach to focus shaping

2016 ◽  
Vol 41 (9) ◽  
pp. 1929 ◽  
Author(s):  
Zhaozhong Chen ◽  
Tingting Zeng ◽  
Jianping Ding
Keyword(s):  
Reverse Engineering ◽  
Engineering Approach ◽  
Focus Shaping

Focus shaping effect of annular cylindrical vector beam generated by novel polarized convertor

Optik ◽  
2016 ◽  
Vol 127 (8) ◽  
pp. 3730-3734
Author(s):  
Xinmiao Lu ◽  
Xiaoyu Weng ◽  
Xiumin Gao ◽  
Hanming Guo
Keyword(s):  
Vector Beam ◽  
Focus Shaping ◽  
Cylindrical Vector Beam
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