Bookcover of Broadband Antennas for the Double Quantum Well Terahertz Detector
Booktitle:

Broadband Antennas for the Double Quantum Well Terahertz Detector

Terahertz Detector

VDM Verlag Dr. Müller (2009-06-21 )

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ISBN-13:

978-3-639-16707-8

ISBN-10:
3639167074
EAN:
9783639167078
Book language:
English
Blurb/Shorttext:
This work is focused on realizing terahertz detectors based on the idea of photon-assisted tunneling (PAT) in the double electron layer tunneling transistor (DELTT). The detector employs a broadband antenna integrated lithographically with the DELTT. The antenna should be broadband to take full advantage of the electrically tunable characteristic of the DELTT device. This work deals with the analysis and design of broadband antennas to efficiently couple THz radiation to the DELTT device. Numerous bowtie and log- periodic antenna structures have been designed and simulated that have broadband impedance characteristics. The electromagnetic simulator IE3D is used to perform simulations. Measurements on sample antennas were also performed to examine the agreement between simulation and experimental results. A key feature of this work is the development of an equivalent circuit model for the combined antenna and the DELTT device that could be valid at THz frequencies. The development of such a model is extremely important to match the antenna impedance to the device impedance, which is key to enhance the coupling efficiency.
Publishing house:
VDM Verlag Dr. Müller
Website:
http://www.vdm-verlag.de
By (author) :
Majid Khodier
Number of pages:
144
Published at:
2009-06-21
Stock:
Available
Category:
Electronics, electro-technology, communications technology
Price:
59.00 €
Keywords:
THz detection, DELTT, Bowtie antenna, Logperiodic antenna, Circuit model.

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