T.rad 1000D

Gentec-EO USA Inc.

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Terahertz Radiometer

Spectrum Detector Inc has introduced the T.rad 1000D, a broadband pyroelectric radiometer for intensity measurements covering the entire spectrum from 0.1 to 30 THz. It consists of a large-area, high-sensitivity pyroelectric detector and electronics, mounted in a thermal isolation enclosure and mated to the USB-powered LIA-DPM digital lock-in module.

Users can install the executable lock-in amplifier and LabView software, plug the pyroelectric probe into the electronics module and the LIA-DPM into a PC via the USB interface to measure their optically chopped terahertz sources from 100 nW to 20 mW. The only things that have to be set are range, filter tau and batch size. The lock-in amplifier software includes multiple user screens: strip chart, statistics, tuning and setup. The instrument controls are always visible on the left-hand side of the display.

While displaying measurement data on the computer, the user can choose to log data, creating a file with a specified batch size, which will be stored in the host computer’s memory. The data files can be recalled and analyzed at any time. The radiometer will help the terahertz research scientist make broadband measurements at low power levels. It provides an economical alternative to the more expensive and more fragile Golay cell.

For more information, visit: www.spectrumdetector.com

Spectrum Detector Inc.
5825 Jean Road Center
Lake Oswego, OR 97035
Phone: (503) 697-1870
Fax: (503) 697-0633

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Published: June 2009