Review of GaN-based devices for terahertz operation
K Ahi - Optical Engineering, 2017 - spiedigitallibrary.org
GaN provides the highest electron saturation velocity, breakdown voltage, operation
temperature, and thus the highest combined frequency-power performance among …
temperature, and thus the highest combined frequency-power performance among …
[HTML][HTML] Terahertz imaging for breast cancer detection
L Wang - Sensors, 2021 - mdpi.com
Terahertz (THz) imaging has the potential to detect breast tumors during breast-conserving
surgery accurately. Over the past decade, many research groups have extensively studied …
surgery accurately. Over the past decade, many research groups have extensively studied …
Quality control and authentication of packaged integrated circuits using enhanced-spatial-resolution terahertz time-domain spectroscopy and imaging
K Ahi, S Shahbazmohamadi, N Asadizanjani - Optics and Lasers in …, 2018 - Elsevier
In this paper, a comprehensive set of techniques for quality control and authentication of
packaged integrated circuits (IC) using terahertz (THz) time-domain spectroscopy (TDS) is …
packaged integrated circuits (IC) using terahertz (THz) time-domain spectroscopy (TDS) is …
Compressed sensing with near-field THz radiation
RI Stantchev, DB Phillips, P Hobson, SM Hornett… - Optica, 2017 - opg.optica.org
We demonstrate a form of near-field terahertz (THz) imaging that is compatible with
compressed sensing algorithms. By spatially photomodulating THz pulses using a set of …
compressed sensing algorithms. By spatially photomodulating THz pulses using a set of …
Mathematical modeling of THz point spread function and simulation of THz imaging systems
K Ahi - IEEE Transactions on Terahertz Science and …, 2017 - ieeexplore.ieee.org
This paper presents a comprehensive theory for cohesive mathematical modeling and
simulation of THz imaging systems. For mathematical modeling of the point spread function …
simulation of THz imaging systems. For mathematical modeling of the point spread function …
Non-destructive investigation of paintings on canvas by continuous wave terahertz imaging and flash thermography
Terahertz (THz) imaging is increasingly used in the cultural heritage field. In particular,
continuous wave (CW) and low frequency THz is attracting more attention. The first …
continuous wave (CW) and low frequency THz is attracting more attention. The first …
[HTML][HTML] Present and future of terahertz integrated photonic devices
S Rajabali, IC Benea-Chelmus - Apl Photonics, 2023 - pubs.aip.org
Photonic integrated circuits have benefited many fields in the natural sciences. Their
nanoscale patterning has led to the discovery of novel sources and detectors from ultraviolet …
nanoscale patterning has led to the discovery of novel sources and detectors from ultraviolet …
A method and system for enhancing the resolution of terahertz imaging
K Ahi - Measurement, 2019 - Elsevier
In this paper, a comprehensive method and process for developing Terahertz (THz) images
with enhanced resolution is introduced. This method is implemented as a system comprised …
with enhanced resolution is introduced. This method is implemented as a system comprised …
Review of THz-based semiconductor assurance
Terahertz radiation for inspection and fault detection has been of interest for the
semiconductor industry since the first generation and detection of THz signals. Until recent …
semiconductor industry since the first generation and detection of THz signals. Until recent …
Toshi-towards secure heterogeneous integration: Security risks, threat assessment, and assurance
The semiconductor industry is entering a new age in which device scaling and cost
reduction will no longer follow the decades-long pattern. Packing more transistors on a …
reduction will no longer follow the decades-long pattern. Packing more transistors on a …