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THz Spectroscopy by Narrow Spectral Emission of Quantum Cascade Lasers for Medical Applications

Hartnagel, H. L. ; Sirkeli, V. P. ; Acedo, P. (2021):
THz Spectroscopy by Narrow Spectral Emission of Quantum Cascade Lasers for Medical Applications.
44th International Semiconductor Conference (CAS 2021), virtual Conference, 06.-08.10.2021, [Conference or Workshop Item]

Abstract

THz waves have low photon energies (~ 4.1 meV for 1 THz), which is about 1 million times weaker than the energy of X-ray photons. They do not cause any harmful ionization in biological tissues. The terahertz radiation is strongly attenuated by water and is very sensitive to water content. The interest in terahertz imaging and spectroscopy of biologically related applications is increasing. This paper provides current status and recent advances in terahertz spectroscopy techniques in biological and medical applications. In particular, we report on our designs of THz Quantum-Cascade sources to identify cancerous tissues and other medical issues.

Item Type: Conference or Workshop Item
Erschienen: 2021
Creators: Hartnagel, H. L. ; Sirkeli, V. P. ; Acedo, P.
Title: THz Spectroscopy by Narrow Spectral Emission of Quantum Cascade Lasers for Medical Applications
Language: English
Abstract:

THz waves have low photon energies (~ 4.1 meV for 1 THz), which is about 1 million times weaker than the energy of X-ray photons. They do not cause any harmful ionization in biological tissues. The terahertz radiation is strongly attenuated by water and is very sensitive to water content. The interest in terahertz imaging and spectroscopy of biologically related applications is increasing. This paper provides current status and recent advances in terahertz spectroscopy techniques in biological and medical applications. In particular, we report on our designs of THz Quantum-Cascade sources to identify cancerous tissues and other medical issues.

Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Microwave Electronics
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics (IMP)
Event Title: 44th International Semiconductor Conference (CAS 2021)
Event Location: virtual Conference
Event Dates: 06.-08.10.2021
Date Deposited: 15 Nov 2021 08:55
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