Scanning systems
Our scanning system solutions are the ideal modular platform for THz near-field imaging applications of any kind. All system components are optimized for the utilization of TeraSpike microprobes at maxmimum performance.
Standard scanning system configurations may be combined with a suitable laser systems on customer side or can be extended with a new laser source for optical excitation.
Scanning systems are designed for applications such as:
- THz Metamaterial research and sensing application
- Semiconductor wafer inspection
- Sheet resistance imaging
- Graphene analysis
- THz device characterization
- Microstructure analysis
- Non-destructive testing
TeraCube Scientific
THz near-field scanning system
The TeraCube Scientific and the new TeraCube M2 are fully automated THz near-field scanning systems to be operated in an optical laboratory surrounding. Both systems enable time-domain measurements of THz field distributions in a controlled distance to a sample surface. Protemics proprietary TeraSpike near-field microprobes are used to image broadband THz pulses transmitted through or reflected from planar samples.
Key features:
- High-speed data acquisition for continuous move scanning through synchronized motion-control and real-time position detection
- Optical sample topography detection for adaptive THz surface scanning at constant microprobe/surface-distance on structured or bended samples
- Linear polarized and rotatable THz emitter for polarization-dependent measurements
- High performance THz emitter/detector components plus high dynamic range Lock-in detection for outstanding signal quality
- Optional integrated CCD camera module for monitoring of microprobe tip and sample position
- System control and measurement automation software with easy to operate graphic user interface readily installed on included PC unit
- Software-implemented alignment monitoring function and system health check electronics
- Software assisted microprobe-tip to sample surface approximation
- Time-domain signal preview mode for fast optical alignment alignment
- Data-export as plain-text or Matlab-compatible format
- System housing for laser and dust protection
- Open extendable lab-type system platform
Technical Specifications
| Type | TeraCube Scientific | TeraCube M2 |
| Spectral range | 0.05 - 3 THz | 0.05 - 4 THz |
| Maximum sample size (x, y, z) | 20 cm, 20 cm, 1 cm | |
| Maximum scanning speed (x, y) | up to 100 mm/s | |
| Min. scanning time per pixel | 10 ms / Single TD position | 10 ms / Full TD Transient (5ps) |
| Maximum scanning range (x, y, z) | 18 cm, 18 cm, 3 mm | |
| Time-domain scanning range width | 1000 ps | 5 .. 200 ps |
| Time-domain step resolution (dt) | 6.6 fs | 50 fs |
| Min. bi-directional repeatability (x, y, z) | +-0.1 µm, +-0.1 µm, +-0.15 µm | |
| Min. step resolution (dx, dy, dz) | 0.1 µm, 0.1 µm, 0.15 µm | |
Installation requirements
Vibration-damped optical table with 1.5 m x 1m x 1m of space for system placement
Laser laboratory specification of class 3B or higher
For further information or quote requests please contact us.