Request InfoCoherent Corp.The ET-5000 series 2-μm photodetectors manufactured by Electro-Optics Technology Inc. feature rise and fall times of <35 ps and a cutoff frequency of >10 GHz. They have a spectral response range from 900 to 2200 nm and include an internal bias supply. Free-space and fiber-coupled models are offered. The InGaAs PIN detectors have a photodiode active area diameter of 60 μm and responsivity of 0.9 A/W at 2100 nm. Running on a 3-V battery, they enable monitoring of thulium and holmium lasers, and perform pulse width measurement of subnanosecond lasers.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2023 IssueMultisensor Metrology SystemThe SmartScope® E45 floor model multisensor metrology system from Optical Gaging Products is an automatic digital zoom device. 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Organic photovoltaic cells (OPVs) and organic...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookSelecting a Photodetector: Using WITS$ as a Rough GuideLight is a versatile tool for investigating physical and chemical processes in nature. Any specific system being analyzed may, through the light it emits or reflects, communicate information about...Photonics HandbookLaser Measurement Systems: Best PracticesGiven the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these...Photonics HandbookPhotometry: The Answer to How Light Is PerceivedThat portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. What colors we perceive depends on wavelength, while...Photonics HandbookRadiometry: A Simplified Description of Light MeasurementRadiometry involves several activities. 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