scholarly journals A NOVEL PROPOSAL FOR ULTRA-HIGH RESOLUTION AND COMPACT OPTICAL DISPLACEMENT SENSOR BASED ON ELECTROMAGNETICALLY INDUCED TRANSPARENCY IN RING RESONATOR

2007 ◽  
Vol 77 ◽  
pp. 149-170 ◽  
Author(s):  
Reza Yadipour ◽  
Karim Abbasian ◽  
Ali Rostami ◽  
Zia Daei Koozehkanani
Keyword(s):  
High Resolution ◽  
Ring Resonator ◽  
Electromagnetically Induced Transparency ◽  
Displacement Sensor ◽  
Optical Displacement ◽  
Induced Transparency

scholarly journals High resolution electromagnetically induced transparency spectroscopy of Rydberg ^87Rb atom in a magnetic field

2017 ◽  
Vol 25 (26) ◽  
pp. 33575 ◽  
Author(s):  
H. Cheng ◽  
H. M. Wang ◽  
S. S. Zhang ◽  
P. P. Xin ◽  
J. Luo ◽  
...  
Keyword(s):  
Magnetic Field ◽  
High Resolution ◽  
Electromagnetically Induced Transparency ◽  
87Rb Atom ◽  
Induced Transparency

scholarly journals Design of a Polarization-Independent Dual-Band Electromagnetically Induced Transparency-Like Metamaterial

2019 ◽  
Vol 8 (2) ◽  
pp. 63-70 ◽  
Author(s):  
O. Demirkap ◽  
F. Bagci ◽  
A. E. Yilmaz ◽  
B. Akaoglu
Keyword(s):  
Numerical Methods ◽  
Slow Light ◽  
Ring Resonator ◽  
Electromagnetically Induced Transparency ◽  
Dual Band ◽  
Oblique Angle ◽  
Classical Analog ◽  
Induced Transparency ◽  
Polarization Independent ◽  
Minkowski Fractal

In this study, the classical analog of single and dual-band electromagnetically induced transparency is demonstrated with a four-fold symmetric metamaterial consisting of a Minkowski fractal ring resonator surrounded by a square ring resonator. The proposed metamaterials show high transmission ratios at the polarization independent resonances, as confirmed by the applied two different numerical methods. Delay-bandwidth products are found to be 0.34 and 0.61 at the resonances of the dual-band metamaterial. The peak frequencies and transmission ratios maintain also for oblique angle of incidences. These features of the proposed metamaterials are promising for single and multi-band filtering applications as well as for slow light and sensing devices.

scholarly journals Reconfigurable Terahertz Metamaterial Using Split-Ring Meta-Atoms with Multifunctional Electromagnetic Characteristics

2020 ◽  
Vol 10 (15) ◽  
pp. 5267 ◽  
Author(s):  
Yuhang Liao ◽  
Yu-Sheng Lin
Keyword(s):  
Tuning Range ◽  
Ring Resonator ◽  
Transverse Electric ◽  
Electromagnetically Induced Transparency ◽  
Split Ring Resonator ◽  
Transverse Magnetic ◽  
Split Ring ◽  
Electromagnetic Characteristics ◽  
Switching Characteristics ◽  
Induced Transparency

We propose a reconfigurable terahertz (THz) metamaterial (RTM) to investigate its multifunctional electromagnetic characteristics by moving the meta-atoms of split-ring resonator (SRR) array. It shows the preferable and capable adjustability in the THz frequency range. The electromagnetic characteristics of the proposed RTM device are compared and analyzed by moving the meta-atoms in different polarized transverse magnetic (TM) and transverse electric (TE) modes. The symmetrical meta-atoms of RTM device exhibit a resonant tuning range of several tens of GHz and the asymmetrical meta-atoms of RTM device exhibit the better tunability. Therefore, an RTM device with reconfigurable meta-atoms possesses the resonance shifting, polarization switching, electromagnetically induced transparency (EIT) switching and multiband to single-band switching characteristics. This proposed RTM device provides the potential possibilities for the use of THz-wave optoelectronics with tunable resonance, EIT analog and tunable multiresonance characteristics.

A new wireless and miniaturized high-resolution optical displacement sensor

2006 ◽  
Author(s):  
Y. Jourlin ◽  
O. Parriaux ◽  
S. Reynaud ◽  
J. C. Pommier ◽  
M. Johnson ◽  
...  
Keyword(s):  
High Resolution ◽  
Displacement Sensor ◽  
Optical Displacement
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