An Overview of Terahertz Imaging with Resonant Tunneling Diodes
Jue Wang, Mira Naftaly, Edward Wasige
Abstract
Terahertz (THz) imaging is a rapidly growing application motivated by industrial demands including harmless (non-ionizing) security imaging, multilayer paint quality control within the automotive industry, insulating foam non-invasive testing in aerospace, and biomedical diagnostics. One of the key components in the imaging system is the source and detector. This paper gives a brief overview of room temperature THz transceiver technology for imaging applications based on the emerging resonant tunneling diode (RTD) devices. The reported results demonstrate that RTD technology is a very promising candidate to realize compact, low-cost THz imaging systems.
Topics & Concepts
Terahertz radiationOptoelectronicsDetectorTransceiverMaterials scienceResonant-tunneling diodeDiodeQuantum tunnellingAerospaceCommercial off-the-shelfElectrical engineeringEngineeringComputer scienceOpticsPhysicsAerospace engineeringSoftwareCMOSQuantum wellProgramming languageLaserTerahertz technology and applicationsSpectroscopy and Laser ApplicationsPhotonic and Optical Devices