Progress in terahertz nondestructive testing: A review
S Zhong - Frontiers of Mechanical Engineering, 2019 - Springer
Terahertz (THz) waves, whose frequencies range between microwave and infrared, are part
of the electromagnetic spectrum. A gap exists in THz literature because investigating THz …
of the electromagnetic spectrum. A gap exists in THz literature because investigating THz …
Terahertz quantum-cascade lasers
BS Williams - Nature photonics, 2007 - nature.com
Six years after their birth, terahertz quantum-cascade lasers can now deliver milliwatts or
more of continuous-wave coherent radiation throughout the terahertz range—the spectral …
more of continuous-wave coherent radiation throughout the terahertz range—the spectral …
Quantum cascade lasers: 20 years of challenges
We review the most recent technological and application advances of quantum cascade
lasers, underlining the present milestones and future directions from the Mid-infrared to the …
lasers, underlining the present milestones and future directions from the Mid-infrared to the …
Terahertz technology
PH Siegel - IEEE Transactions on microwave theory and …, 2002 - ieeexplore.ieee.org
Terahertz technology Page 1 910 IEEE TRANSACTIONS ON MICROWAVE THEORY AND
TECHNIQUES, VOL. 50, NO. 3, MARCH 2002 Terahertz Technology Peter H. Siegel, Fellow …
TECHNIQUES, VOL. 50, NO. 3, MARCH 2002 Terahertz Technology Peter H. Siegel, Fellow …
[HTML][HTML] The potential of terahertz imaging for cancer diagnosis: A review of investigations to date
The terahertz region lies between the microwave and infrared regions of the electromagnetic
spectrum such that it is strongly attenuated by water and very sensitive to water content …
spectrum such that it is strongly attenuated by water and very sensitive to water content …
3.4-THz quantum cascade laser based on longitudinal-optical-phonon scattering for depopulation
We report the development of a quantum cascade laser, at 87.2 m, corresponding to 3.44
THz or 14.2 meV photon energy. The GaAs/Al0. 15Ga0. 85As laser structure utilizes …
THz or 14.2 meV photon energy. The GaAs/Al0. 15Ga0. 85As laser structure utilizes …
Quantum cascade lasers operating from 1.2 to1. 6THz
C Walther, M Fischer, G Scalari, R Terazzi… - Applied Physics …, 2007 - pubs.aip.org
Two terahertz quantum cascade lasers based on Ga As∕ Al 0.1 Ga 0.9 As heterostructures
are reported. Pulsed mode operation up to 84 K and continuous wave (cw) power of 0.36 …
are reported. Pulsed mode operation up to 84 K and continuous wave (cw) power of 0.36 …
Physics and technology of Terahertz quantum cascade lasers
Even though already in the seventies, right after the invention of the quantum cascade laser
(QCL) concept, it was argued that this device could be operated in the THz (far-infrared) …
(QCL) concept, it was argued that this device could be operated in the THz (far-infrared) …
[HTML][HTML] A promising diagnostic method: Terahertz pulsed imaging and spectroscopy
The terahertz band lies between the microwave and infrared regions of the electromagnetic
spectrum. This radiation has very low photon energy and thus it does not pose any …
spectrum. This radiation has very low photon energy and thus it does not pose any …
High-temperature operation of terahertz quantum cascade laser sources
Terahertz (THz) quantum cascade lasers (QCLs) are currently the most advanced
electrically pumped semiconductor lasers in the spectral range 1-5 THz. However, their …
electrically pumped semiconductor lasers in the spectral range 1-5 THz. However, their …