Results 251 to 260 of about 18,313 (294)

Open loop multi-resonator based chipless RFID tag

2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS), 2014
A simple, compact, planar open loop multi-resonator for chipless RFID tag with high quality factor is presented. It is a spectral signature based chipless RFID transponder. It consists of a set of cascaded open loop resonators. The prototype fabricated on a substrate of dielectric constant 3.7 and thickness 1.6mm is having an overall dimension of 28×13.
R Dinesh, P V Anila, C M Nijas, M Sumi, P Mohanan   +4 more
openaire   +1 more source

Open-loop experiments of resonator micro-optic gyro

Optoelectronics Letters, 2009
An open-loop resonator micro-optic gyro (R-MOG) with a 6 cm-long waveguide-type ring resonator is set up using the phase modulation spectroscopy technique. In the experiment, according to the test parameters of the resonator, the shot-noise-limited sensitivity is estimated to be 1.07×10−4 rad/s. From the test demodulation signal, the gyro dynamic range
Xu-lin Zhang, Ke-jiang Zhou
openaire   +1 more source

Microstrip low‐pass filter using open loop resonators

Microwave and Optical Technology Letters, 2008
AbstractA compact open loop resonator microstrip low pass filter is modeled. To optimize the performances of the filter, electromagnetic simulation is used to tune the dimensions of proposed prototype. Cascading of open loop resonator provides a very sharp cut off and wide stop band with minimum insertion loss.
Kumud Ranjan Jha, Neeraj Nehra
openaire   +1 more source

A dual‐passband microstrip open‐loop resonator filter

Microwave and Optical Technology Letters, 2005
AbstractIn this paper, a design technique that includes a synthesis procedure and a realization method for a microstrip open‐loop resonator filter with two passbands is described. Transmission zeros of the filter‐transfer function are employed to split a single passband into two passbands, and the filter‐coupling structure used to realize two passbands
Chang‐Soo Ahn, Juseop Lee, Young‐Sik Kim   +2 more
openaire   +1 more source

Chipless RFID tag based on open-loop resonator

2017 IEEE Asia Pacific Microwave Conference (APMC), 2017
A novel RFID tag employing open-loop resonators is presented in this paper. The resonators have been synthesized using coupled microstrip transmission line. The complete design consists of open-loop resonators based tag, and cross polarized circular patch antenna for transmitting and receiving purpose.
Vijay Sharma, Mohammad Hashmi
openaire   +1 more source

Electronically Reconfigurable Dual-ModeMicrostrip Open-Loop Resonator Filter

IEEE Microwave and Wireless Components Letters, 2008
A new type of reconfigurable asymmetric frequency response bandpass filter using dual-mode open-loop resonator is investigated. It explores the unique characteristic of the dual-mode open-loop resonator whose two operating modes, i.e., the even- and odd-modes do not couple.
null Young-Hoon Chun, null Jia-Sheng Hong   +1 more
openaire   +1 more source

Hexagonal micropillar cavities: multimode resonances and open-loop resonance linewidth broadening

SPIE Proceedings, 2003
We report our proof-of-principle experiment and modeling of hexagonal micro-pillar cavities. A commercial hexagonal silica fiber (125μm plane-to-plane) was side-coupled perpendicularly with a Gaussian beam, thus the fiber acted as a μ-pillar cavity. We observed multimode resonances with typical Q ≈ 2,500 in the tangential directions that are ≈ 120° to ...
Ning Ma, Frankie K. L. Tung, Shing Fai Lui, Andrew W. Poon   +3 more
openaire   +1 more source

Cross-Coupled Bandpass Filter using Microstrip Triangular Open-Loop Resonators

2001 31st European Microwave Conference, 2001
A new cross-coupled planar microwave filter is proposed using coupled microstrip triangular open-loop resonators. The full-wave EM simulator is used to design the triangular resonator and to calculate the coupling coefficients of three basic coupling structures encountered in this type of filter.
Gorur, Adnan, Karpuz, Ceyhun
openaire   +1 more source

Compact wideband bandpass filter using two open loop resonators

Microwave and Optical Technology Letters, 2013
AbstractIn order to obtain a wideband passband filter, a compact filter with two open‐loop resonators has been designed and fabricated, which has introduced two transmission zeros at the passband's upper frequency area.The proposed topology is demonstrated with a design operating at 5.19 GHz with 19.7% bandwidth. More than 20 dB of spurious suppression
Xing‐Bing Ma, Hong‐Xing Zheng
openaire   +1 more source

Design of Lowpass Filter Using Complementary Open-Loop Resonators

2008 China-Japan Joint Microwave Conference, 2008
In this paper, a new methodology for the design of compact planar lowpass filters in microstrip technology is proposed. This is based on cascading filter stages consisting of the combination of complementary open-loop resonators (COLR), proposed by the authors for the first time, and open stubs.
Li Xiaowei, Li Guohui, Wang Huina, Jiang Xinhua   +3 more
openaire   +1 more source