scholarly journals Broadband Vortex Beams Generation With Narrow Divergence Angle Using Polarization Insensitive Metasurface

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 218062-218068
Author(s):  
Hongyu Ma ◽  
Xianglin Kong ◽  
Peng Chen ◽  
Weihua Wang ◽  
Kui Han ◽  
...  
Keyword(s):  
Divergence Angle ◽  
Polarization Insensitive ◽  
Vortex Beams

Crack divergence phenomena in tempered glass

2020 ◽  
Vol 13 (3) ◽  
pp. 115-129
Author(s):  
Shin’ichi Aratani
Keyword(s):  
Optimal Design ◽  
High Speed ◽  
Glass Plate ◽  
Acute Angle ◽  
Divergence Angle ◽  
High Speed Photography ◽  
Tempered Glass ◽  
Thick Glass

High speed photography using the Cranz-Schardin camera was performed to study the crack divergence and divergence angle in thermally tempered glass. A tempered 3.5 mm thick glass plate was used as a specimen. It was shown that two types of bifurcation and branching existed as the crack divergence. The divergence angle was smaller than the value calculated from the principle of optimal design and showed an acute angle.

scholarly journals A thermally stable and polarization insensitive square-shaped water metamaterial with ultra-broadband absorption

2021 ◽  
Author(s):  
Yadgar I. Abdulkarim ◽  
Halgurd N. Awl ◽  
Fatih Ozkan Alkurt ◽  
Fahmi F. Muhammadsharif ◽  
Salah Raza Saeed ◽  
...  
Keyword(s):  
Thermally Stable ◽  
Broadband Absorption ◽  
Polarization Insensitive
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