TERA Image

THz Imaging Extension for Menlo Systems THz-TDS Systems

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TERA Image Terahertz Tool - Automated THz image acquisition

Unique Image Processing

ImageLab for advanced data analysis and visualization

Automated Measurement

Fully automated acquisition for reproducible results

Flexible Scanning Control

Adjustable travel range, speed, and pixel increment

Specifications

	TERA Image
	TERA Image
Travel Range	150 mm × 150 mm and 300 mm × 300 mm (ask for longer ranges)
Resolution x-direction	< 250 µm* (stage resolution < 10 µm)
Resolution y-direction	< 250 µm* (stage resolution < 10 µm)
Travel Speed	TERA K15 & TeraSmart: > 30 (up to 40) data pixels/second TERA ASOPS: up to 100 data pixels/second (ask for fast imaging option)

*Image resolution is limited by the size of the THz focal diameter

Options

Hyperspectral Image Processing Software for THz Imaging Data

Data

Photo and transmitted THz signal distribution, selected for the spectral range of 1.5 – 2.5 THz:

The microchip, antenna windings, and the wiring are visible due to the increased image resolution of the high-frequency range.

K-means cluster analysis ClassMap (k = 8):

The k-means algorithm breaks down the input data set into k partitions (culsters). The picture below shows an automatic analysis of the 0.7 –  2.1 THz region. Due to different diffraction of linearly polarized THz radiation the vertically and horizontally oriented structures of the antenna induce different spectral properties. The different material components of the key card such as plastic, semiconductor chip, or metal are clearly recognized.

Photo of a sample consisting of three different biomolecules, α-lactose, L-tyrosine, L-glutamine, and transmitted THz signal distribution, filtered for the range of 1.5 –  2 THz: Despite comparable thickness of each layer, the different sample regions exhibit different transmission intensity.