Request InfoToptica Photonics AGToptica Photonics AG has introduced a fast, compact next-generation terahertz spectrometer system with continuous-wave 1.5-μm lasers. The frequency-domain spectrometer combines the company’s new TeraBeam, a highly integrated two-color diode laser, with newly developed InGaAs/InP emitter and detector technology from Fraunhofer Heinrich-Hertz Institute in Berlin. The system features a scan option that reduces acquisition times by more than two orders of magnitude and that can acquire a complete terahertz spectrum from 50 to 1200 GHz, with subgigahertz resolution in <1 min....See full productRelated content from Photonics MediaPRODUCTSBioPhotonics Mar/Apr 2023 IssuePhotodiode PhotodetectorsExtended 2.6-µm Cutoff InGaAs Photodiode Photodetectors from Marktech Optoelectronics Inc. provide high sensitivity, high speed, and low noise for nondispersive spectrometers, pyrometers, and...Photonics.com 12/13/2022InGaAs Photodiode DetectorsMarktech Optoelectronics' lineup of advanced InGaAs photodiode detectors consists of several detector families or series based on their spectral sensitivity ranges. 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From laser levels and surveying equipment to advanced robotics, range finders, and...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryphotoconductive antennaPhotoconductive antenna (PCA) is a semiconductor element that generates or detects high-frequency electromagnetic signals. Compact PCAs based on gallium arsenide (GaAs) or indium gallium arsenide...Photonics Dictionarytime domainThe time domain is a concept used in signal processing and analysis to describe signals in terms of their behavior over time. In the time domain, signals are represented as functions of time, showing...Photonics Dictionarydigital signal processingDigital signal processing (DSP) refers to the manipulation and analysis of signals, which are representations of physical quantities that vary over time or space. 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