Terahertz Imaging
Guarantor
Nour Alem, Laboratory Manager
Instrument status:
Operational 02/04/2024 11:07
Equipment placement:
Riad 8 first floor, Physics low temperature Area
Terahertz (THz) imaging is a technology that uses electromagnetic waves in the terahertz frequency range, typically between 0.1 and 10 THz, to create high-resolution images of objects. This imaging technique is non-ionizing and can penetrate various materials, including clothing, paper, plastic, and ceramics, while also providing information about the materials being imaged. THz imaging has various applications like medical imaging, agriculture, and security.
THz imaging set up:
| Equipment | Description |
| THz sources | Tera sense sources at 100 GHz and 300 GHz |
| Parabolic mirrors | Thorlabs Ø2″ 90° Off-Axis Parabolic Mirror Prot. Gold |
| Translation stage | Thorlabs 300 mm Translation Stage with Stepper Motor Integrated Controller |
| Source meter | Keithley 2450 |
| Lock in amplifier | Stanford Research Systems SR830 100 kHz DSP lock-in amplifier |
| FET detectors | AlGaN/GaN high electron mobility transistor (HEMT) |
| Schottky diode | zero biased Schottky diode detector WR2.8ZBD-F |
| Chopper | Thorlabs Optical Chopper System with MC1F10HP 10/100 Slot (36°) Chopper Blade |
Basic features
Terasense sources
- Source at 100 GHz, 800 mW
- Source at 300 GHz, 30 mW
Schottky Diode
- 8ZBD-F from VDI,
- RF frequency: 260 – 400 GHz
- Options included: ZBD-F20, ZBD-F40
Translation stage
- Travel Range: 300 mm
- Minimum Achievable Incremental Movement: 0.1 µm
- Control via Manual Keypad or Remote PC