Roper Scientific Inc. has released a new high-performance detection system for near infrared (NIR) spectroscopy. The Princeton Instruments OMA V:InGaAs from Roper Scientific is the first product in a series of planned re-introductions of the OMA line of photodiode array (PDA) detectors. The 16-bit digital detection system incorporates a 512 x 1 InGaAs PDA in a cryogenically cooled camera head (-50 to -100° C) and provides sensitivity from 0.8 to 1.7 µm at a 1-MHz scan rate.

"Rather than merely incorporating a commercial device directly into the Princeton Instruments OMA V camera head, our engineers have worked closely with InGaAs device manufacturers to develop this technology and adapt it for state-of-the-art NIR research spectroscopy," noted Dan Pisano, president of Roper Scientific, which was created by the union of Princeton Instruments Inc., Photometrics Ltd., and Acton Research Corp. "Researchers and industrial engineers alike will benefit immediately from the utilization of this exceptional technology in a detection system optimized for scientific spectroscopic performance in the near infrared."

To ensure extensive control capabilities with the lowest-noise performance even in less-than-optimal environments, the OMA V:InGaAs is regulated by an EM-shielded detector controller. In the most extreme environments, the compact controller and camera head can be remotely situated up to 2 km from the host computer. The OMA V:InGaAs runs under WinSpec, Roper Scientific's 32-bit Windows software package, and can be integrated with the entire line of Acton Research spectrometers from Roper Scientific.

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