مشروع البحث: Polarization behavior of high-Tc superconducting terahertz emitters
تحميل...
المساهمين
الممولين
رقم التعريف
267
الباحث
عاصم عمار العربي
الوصف
The terahertz (THz) frequency range (100 GHz-30 THz) of the electromagnetic (EM)
spectrum has attracted a considerable amount of interest in the recent 30 years. Historically,
this frequency range was known as the sub-millimeter wave range or the far-infrared range.
It was mainly used by spectroscopists and astronomers because of the numerous vibrational
and rotational molecular absorption lines it contains which are used as marking regions in
spectroscopy applications. Currently, terahertz technology has expanded greatly to offer
more real-life applications in the fields of imaging, quantum information, and high-speed
telecommunications, both inland, and outer space, etc.
One of the main goals currently being studied in the terahertz technology is the search
for a continuous wave (CW), coherent, reliable, compact, and intense radiation sources, that
can be operated in room temperature, and consume a small amount of power. Despite the
fact that there is a numerous number of proposed sources, only few can fulfill most of the
mentioned requirements. To name a few, quantum cascade lasers (QCL), resonant tunneling
diodes (RTDs), backward wave oscillators, etc.
Since the discovery of the AC Josephson effect, layered superconductors (SC) were
الكلمات الدالة
The terahertz (THz) frequency range (100 GHz-30 THz) of the electromagnetic (EM) spectrum has attracted a considerable amount of interest in the recent 30 years. Historically, this frequency range was known as the sub-millimeter wave range or the far-infrared range. It was mainly used by spectroscopists and astronomers because of the numerous vibrational and rotational molecular absorption lines it contains which are used as marking regions in spectroscopy applications. Currently, terahertz technology has expanded greatly to offer more real-life applications in the fields of imaging, quantum information, and high-speed telecommunications, both inland, and outer space, etc. One of the main goals currently being studied in the terahertz technology is the search for a continuous wave (CW), coherent, reliable, compact, and intense radiation sources, that can be operated in room temperature, and consume a small amount of power. Despite the fact that there is a numerous number of proposed sources, only few can fulfill most of the mentioned requirements. To name a few, quantum cascade lasers (QCL), resonant tunneling diodes (RTDs), backward wave oscillators, etc. Since the discovery of the AC Josephson effect, layered superconductors (SC) were