MKS Announces Ophir® Integrating Spheres for Accurate, Repeatable Measurement of Optical Power in VCSELs

Andover, MA – February 7, 2019 – MKS Instruments, Inc. (NASDAQ: MKSI), a global provider of technologies that enable advanced processes and improve productivity, has announced at SPIE Photonics West the Ophir® IS6D integrating spheres for measuring the optical power of widely divergent laser diode sources, such as VCSELs. Part of the Ophir Integrating Spheres series of products, the new spheres can accurately measure light that diverges up to ±85 degrees. Each sphere is delivered as a calibrated unit with a photodiode detector.