Isbn: 9781402065026 - terahertz frequency detection and identification of materials and objects (nato science for peace and security series b: physics and biophysics) (4 Ergebnisse)

Zustand: New. In English.

Taschenbuch. Zustand: Neu. Terahertz Frequency Detection and Identification of Materials and Objects | R. E. Miles (u. a.) | Taschenbuch | xii | Englisch | 2007 | Springer Nature B.V. | EAN 9781402065026 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu. …

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Terahertz frequency sensing has a unique part to play in the detection and identification of materials and objects. This frequency range, corresponding to a wavelength of around 0.1 mm, can be used to identify materials from their molecular spectra and to produce images of concealed objects. Terahertz spectra of drugs of abuse and explosives presented by a number of the contributing authors show that the presence of these materials can be detected in envelopes, packages and through clothing.The technology of terahertz detection has largely been developed around expensive and bulky femtosecond laser systems but, as described in this book, advances in semiconductor superlattice technology are leading to compact 'electronic' sources such as the quantum cascade laser, two-terminal 'Gunn' type oscillators and even a THz frequency amplifier. These advances towards electronic (as opposed to optical) THz systems mean that the technology will become portable and much less costly.Terahertz remote sensing is also discussed with the possibility of detection over distances of up to 30m using existing technology or even through the use THz waves generated locally in the vicinity of a target using only air as the transducer.…

Paperback. Zustand: Brand New. 1st edition. 364 pages. 8.75x5.75x0.75 inches. In Stock.