Far infrared or terahertz
Carrier scattering approach to the origins of dark current in mid- and far-infrared (terahertz) quantum-well intersubband photodetectors (QWIPs)
... quantum-well infrared photodetectors (QWIPs), and therefore, minimizing it is an important design criteria for their ...the far-infrared (300–30 m) or terahertz (1–10 THz) region of the ...
5
Dilute magnetic semiconductor quantum-well structures for magnetic field tunable far-infrared/terahertz absorption
... Abstract—The design of ZnCdSe–ZnMnSe-based quantum wells is considered, in order to obtain a large shift of the peak absorption wavelength in the far infrared range, due to a giant Zeeman splitting with ...
9
Plasmonic behavior of III-V semiconductors in far-infrared and terahertz range
... the far-infrared and terahertz range have been undertaken by several ...of terahertz time-domain spectroscopy in determining the conductive and optical functions of ...
8
Responsivity of quantum well infrared photodetectors at terahertz detection wavelengths
... In this article, a simplified unifying model is presented with the aid of some of the definitions and assumptions from the models mentioned before. It starts by defining the photo- current in a simple detector and ...
7
Microscopic approach for intersubband based thermophotovoltaic structures in the terahertz and mid infrared
... mid infrared and THz ...so far mostly overlooked: increasing the efficiency of photovoltaic solar cells, which is one of the current challenges for science and technology ...absorb far ...
13
Stark ladders as tunable far-infrared emitters
... Intersubband transitions can take place via several mechanisms in semiconductor systems. 4 Obviously the most important electron transitions in a system to be used as a terahertz emitter are those which result in ...
6
Threshold Extension of Gallium Arsenide/Aluminum Gallium Arsenide Terahertz Detectors and Switching in Heterostructures
... extinction. Far infrared and sub-millimeter wavelengths can penetrate these dusty clouds, facilitating the study of physical processes during star ...
383
Magnetic field tunable terahertz quantum well infrared photodetector
... A quantum mechanical model of electron transport in QWIPs in magnetic field was developed and used to design and analyze the performance of magnetic field tunable DMS THz QWIPs. The tunability is based on the ...
29
Full Text ()
... broadband terahertz radiation in the range ...The terahertz spot size in the sample plane is 550 µm (nearly the diffraction limit), and the signal-to-noise ratio is 10,000:1; and are also measured other ...
7
Terahertz Polariton Dispersion in Uniaxial Optical Crystals
... a far-infrared spectroscopic ellipsometry (FIRSP) system has been developed by the combination of a far-infrared spectrometer and an ellipsometry ...a far-infrared spectrum in ...
7
Cloud identification and classification from high spectral resolution data in the far infrared and mid-infrared
... the far- and mid-infrared part of the spectrum, simulating measure- ments from the Fast Track 9 mission FORUM (Far-Infrared Outgoing Radiation Understanding and Monitoring), com- peting for ...
20
Clustering of far infrared galaxies in the AKARI All Sky Survey
... The Infrared Astronomical Satellite (IRAS: Neugebauer et al., 1984) has achieved a great amount of statistics. Especially in cosmology, the IRAS Point Source Catalog (PSC) has provided a great homogeneous dataset ...
7
Far infrared emission in luminous quasars accompanied by nuclear outflows
... BALs), not low-ionization BALQSOs (LoBALs) or FeLoBALs, all of which are known to have redder colours than the general quasar population (Reichard et al. 2003). The numbers are small, but it does indicate that BALQSOs ...
6
Coherent imaging using laser feedback interferometry with pulsed-mode terahertz quantum cascade lasers
... Abstract: We report a coherent terahertz (THz) imaging system that utilises a quantum cascade laser (QCL) operating in pulsed-mode as both the source and detector. The realisation of a short-pulsed THz QCL ...
13
Superconducting Microwave Resonator Arrays for Submillimeter/Far-infrared Imaging
... Superconducting microwave resonators have the potential to revolutionize submillime- ter and far-infrared astronomy, and with it our understanding of the universe. The field of low-temperature detector ...
189
Development of triple band planar inverted H antenna for DCS, WiMAX and WLAN applications
... infrared Millimeter and Terahertz Waves 2010pages: 1- 2 [31] AbuTarboush H.F, Nasif H, “Multiband and Wideband Monopole Antenna for GSM900 and other Wireless Applications” IEEE Antea and[r] ...
40
Detection of Human Heart Rate and Respiratory Rate Using Thermal Infrared Image
... [13]. EY. Ng, GJ. Kaw, and WM. Chang, “Analysis of IR thermal imager for mass blind fever screening”, Microvascular Research, vol. 68(2), pp. 104–109, 2004. [14]. MF. Chiang, PW. Lin, LF. Lin, HY. Chiou, CW. Chien, SF. ...
6
Strong Far ultraviolet Fields Drive the [C II]/Far infrared Deficit in z ∼ 3 Dusty, Star forming Galaxies
... Submitted to ApJ ABSTRACT We present 0.15-arcsec 1 kpc resolution ALMA observations of the [C II] 157.74 µm line and rest-frame 160-µm continuum emission in two z ∼ 3 dusty, star-forming[r] ...
24
Brown dwarf disks with Herschel: linking far infrared and (sub) mm fluxes
... Herschel far-infrared fluxes and (sub)-mm fluxes are ...the far-infrared are strongly a ff ected by the shape and temperature of the disk (and hence stellar luminosity), whereas the (sub)-mm ...
16
Clustering of far infrared galaxies in the AKARI All Sky Survey North
... of infrared galaxies, mainly in deep surveys, but more restricted in area, at scales up to a few ...Large-Area Infrared Space Observatory (ELAIS) S1 ...diffuse far-infrared (FIR) background ...
8