Request InfoMKS/NewportIRVINE, Calif., May 4, 2011 — Newport Corp. has introduced an attenuator design implemented for its Series 818 low-power photodetectors. Based on the same optics and clear aperture of the 918D series detectors, the design features a clear aperture with the size reduced to 10 mm to help the user more accurately align the detector to the input optical beam. The new window helps avoid detector overfilling, while the clearly visible crosshair on the new housing assists coarse alignment of the beam. The high-quality, low-power photodetector and the detector housing design remain the same. Power levels are calibrated from...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2022 IssueLight-Dependent Resistor PhotocellsCadmium Sulfide (CdS) Light-Dependent Resistors (LDRs) from Advanced Photonix Inc. are designed for visible light measurement from 400 to 700 nm. 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