THz near-field scanning system
全自动太赫兹近场扫描系统
The TeraCube Scientific and the new TeraCube Scientific 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 planar samples.
TeraCube Scientific和新的TeraCubeScientific M2是全自动太赫兹近场扫描系统，将在光学实验室周围运行。这两个系统都能够在到样品表面的受控距离内对太赫兹场分布进行时域测量。蛋白质组学专有的TeraSpike近场微探针用于对通过平面样品传输的宽带太赫兹脉冲进行成像。
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Key features典型特征:
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
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技术规格表
| Type | TeraCube Scientific | TeraCube Scientific 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
