Request InfoStanford Research Systems Inc.Stanford Research Systems' SR844 Dual Phase Lock-In Amplifier has a frequency range of 25 kHz to 200 MHz, and output time constants from 30 us to 30 ks with up to 24 dB/octave rolloff. The DSP architecture provides high dynamic reserve (80 dB), excellent stability (5 ppm) and virtually no drift. Auto measurement features, harmonic detection (F and 2F), and standard GPIB and RS-232 interfaces are included, as are 16-bit auxiliary inputs and outputs.See full productRelated content from Photonics MediaWEBINARSPhotonics.com 6/30/2021European Photonics Manufacturing Services Funded by ECThis event is supported by the European initiatives presented and is moderated by EPIC, the European Photonics Industry Consortium. The European Commission is helping companies access the...Photonics.com 3/27/2024Precision Planning: Simplified Laser Scanning with Predictive SoftwareConventional controllers for laser scan systems do not allow to predict the actual path of the laser beam on the work piece. A tedious process of testing different parameters and delay settings...Photonics.com 1/18/2018Fiberguide RARe Motheye Fiber: Random Anti-Reflective (RARe) Nanostructures on Optical Fibers as Replacement for AR CoatingsAnti-reflective (AR) coatings are now entering their second century and have remained virtually unchanged throughout their life. As power level and wavelength range requirements continue to increase,...Photonics.com 7/20/2023Motorized and Calibrated Lenses for Machine Vision ApplicationsMany applications have benefited from motorized varifocal lenses that allow automatic or remote adjustment of focus distance and field of view. Applications may need to change the focal length or...