Request InfoTerahertz Technologies Inc.Terahertz Technologies Inc. manufactures a variety of US-made products for your optical laboratory needs. We offer O/E converters in bandwidths from DC to 20 GHz, and a phase-locked-loop optical chopper with direct digital synthesis to provide crystal-controlled accuracy and stability, with chopping rates from 4 Hz to 5 kHz. Our low-noise, high-gain PDA-750 photodiode amplifier is designed to provide a direct digital readout of the current generated from a photo-diode, photomultiplier or other current source.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 4/21/2023Inductive EncoderThe field calibration incOder® product from Celera Motion is designed for applications that require precise angle measurements in adverse conditions. 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