High-field THz source centered at 2.6 THz
We demonstrate a table-top high-field terahertz (THz) source based on optical rectification of
a collimated near-infrared pulse in gallium phosphide (GaP) to produce peak fields above …
a collimated near-infrared pulse in gallium phosphide (GaP) to produce peak fields above …
Scalable microstructured semiconductor THz pulse sources
In recent years several microstructured lithium niobate THz pulse source were suggested for
high-energy applications. Two types of those, the reflective and the transmissive nonlinear …
high-energy applications. Two types of those, the reflective and the transmissive nonlinear …
Compact, low-cost, and broadband terahertz time-domain spectrometer
N Couture, J Schlosser, A Ahmed, M Wahbeh… - Applied Optics, 2023 - opg.optica.org
Terahertz time-domain spectroscopy (THz-TDS) is a powerful technique that enables the
characterization of a large range of bulk materials, devices, and products. Although this …
characterization of a large range of bulk materials, devices, and products. Although this …
[HTML][HTML] Design of semiconductor contact grating terahertz source with enhanced diffraction efficiency
We report a semiconductor contact grating terahertz source design based on a rectangular
profile for phase-matched terahertz generation in the long infrared pump wavelength range …
profile for phase-matched terahertz generation in the long infrared pump wavelength range …
Easily variable and scalable terahertz pulse source based on tilted-pulse-front pumped semiconductors
A new type of terahertz source containing only two optical elements-a volume phase
holographic grating, and a semiconductor nonlinear slab-is proposed. The setup does not …
holographic grating, and a semiconductor nonlinear slab-is proposed. The setup does not …
Portable, broadband, and sensitive terahertz time-domain spectrometer
N Couture, M Wahbeh, A Ahmed… - … and Devices XXII, 2023 - spiedigitallibrary.org
Terahertz time-domain spectroscopy (THz-TDS) is a method used in research and industry
for non-invasive characterization of products and materials. Many THz-TDS systems rely on …
for non-invasive characterization of products and materials. Many THz-TDS systems rely on …
Tunable broadband and high-field THz time-domain spectroscopy system
W Cui - 2024 - ruor.uottawa.ca
This thesis focuses on improving the performance of the THz time-domain spectroscopy
system using second-order nonlinear crystals for THz generation and detection in terms of …
system using second-order nonlinear crystals for THz generation and detection in terms of …
Enhancing time-resolved THz systems through the integration of optical fibers
N Couture - 2023 - ruor.uottawa.ca
Time-resolved terahertz (THz) spectroscopy is an emerging optical characterization
technique with the potential of becoming standard practice in fundamental research and in …
technique with the potential of becoming standard practice in fundamental research and in …
Generation of 208 kV/cm peak field at 2.6 THz in GaP
W Cui, EK Yalavarthi, AV Radhan… - … Waves (IRMMW-THz …, 2023 - ieeexplore.ieee.org
We present a high-field THz source with a spectral peak centered at 2.6 THz. The setup
relies on optical rectification of 0.57 mJ near-infrared pulses to generate THz peak fields up …
relies on optical rectification of 0.57 mJ near-infrared pulses to generate THz peak fields up …
[PDF][PDF] Designs of optimized semiconductor contact grating terahertz sources
MN Matheka - 2022 - pea.lib.pte.hu
Numerical simulations were performed in the 1-5 μm wavelength range to investigate the
possible advantage of using longer pumping wavelengths to suppress 2-to 7-photon …
possible advantage of using longer pumping wavelengths to suppress 2-to 7-photon …