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 10/27/2021Fiber Optic Solutions for Medical DevicesSteve Allen provides a brief overview and examples of procedures that continue to push adoption and proliferation of optical fiber-based medical devices. From cosmetic surgery to cutting-edge sensing...Photonics.com 7/22/2021STANDARDS UPDATE: Vision Standards: An Overview of Global and A3 DevelopmentsStandards play a key role in the vision and imaging industry by ensuring interoperability of components, increasing market size, and shortening the time it takes to get new products to market. As the...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...Photonics.com 1/9/2023Innovations in Ultrashort-Pulse and RF-Excited CO2 Lasers Expand Materials Processing ApplicationsIndustrial laser materials processing is constantly evolving. Industries as varied as pharmaceutical, consumer electronics, automotive, aerospace, and textiles, among others, have benefited from new...