[HTML][HTML] Experimental demonstration of externally driven millimeter-wave particle accelerator structure
We report the experimental demonstration of a mm-wave electron accelerating structure
powered by a high-power rf source. We demonstrate reliable coupling of an unprecedented …
powered by a high-power rf source. We demonstrate reliable coupling of an unprecedented …
Second harmonic 527-GHz gyrotron for DNP-NMR: Design and experimental results
SK Jawla, RG Griffin, IA Mastovsky… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
We report the design and experimental demonstration of a frequency tunable terahertz
gyrotron at 527 GHz built for an 800-MHz dynamic nuclear polarization enhanced nuclear …
gyrotron at 527 GHz built for an 800-MHz dynamic nuclear polarization enhanced nuclear …
Optical resistance switch for optical sensing
Optical switches and sensors are attractive topics, showing a wide range of applications. To
date, various approaches based on different and novel structures, such as photonics crystal …
date, various approaches based on different and novel structures, such as photonics crystal …
Dual-band polarized optical switch with opposite thermochromic properties to vanadium dioxide
ABSTRACT A dual-band polarized wavelength-selective optical switch whose
thermochromic transmission property is opposite to VO2 itself is proposed. The switch shows …
thermochromic transmission property is opposite to VO2 itself is proposed. The switch shows …
[HTML][HTML] Generation of nanosecond THz pulses using a high gain ring resonator with a semiconductor switch
A 250 GHz quasi-optical ring resonator consisting of an input coupler and three mirrors has
been designed and tested. A low-loss silicon wafer in the ring provides output coupling of …
been designed and tested. A low-loss silicon wafer in the ring provides output coupling of …
Ultrafast, broadband and tunable terahertz reflector and neutral density filter based on high resistivity silicon
We report THz transmission and reflection properties of an ultrafast optically excited highly
resistive silicon wafer. Amplified Ti: Sapphire femtosecond laser pulses at 800 nm were …
resistive silicon wafer. Amplified Ti: Sapphire femtosecond laser pulses at 800 nm were …
Measurement of time dependent reflection, transmission, and absorption in laser driven silicon and GaAs switches for 250 GHz radiation
The reflectance (R) and transmittance (T) of Si and GaAs wafers irradiated by a 6 ns pulsed,
532 nm laser have been studied for s-and p-polarized 250 GHz radiation as a function of …
532 nm laser have been studied for s-and p-polarized 250 GHz radiation as a function of …
Combined generator–accelerator scheme for high-gradient electrons acceleration by Ka-band subnanosecond superradiant pulses
NS Ginzburg, AE Fedotov, SV Kuzikov, AM Malkin… - Physics of …, 2022 - pubs.aip.org
An increase in the accelerating gradient in hollow metal structures powered by an RF field is
associated with the development of sources of high-power short-pulse high-frequency …
associated with the development of sources of high-power short-pulse high-frequency …
Gyrotrons as high-frequency drivers for undulators and high-gradient accelerators
S Sabchevski, E Di Palma, I Spassovsky, G Dattoli - Applied Sciences, 2022 - mdpi.com
Gyrotrons are used as high-power sources of coherent radiation operating in pulsed and
CW regimes in many scientific and technological fields. In this paper, we discuss two of their …
CW regimes in many scientific and technological fields. In this paper, we discuss two of their …
Low power demonstration of a W-band active pulse compressor for high power millimeter waves
An active pulse compressor has been designed for operation at megawatt power levels at W-
band frequencies. Low power tests at 95 GHz are reported. The pulse compressor consists …
band frequencies. Low power tests at 95 GHz are reported. The pulse compressor consists …