Based in Rochester, N.Y., !%Semrock Inc.%!, a unit of Idex Corp.’s Optics & Photonics platform, has opened a high-volume manufacturing facility for optical filters. The expansion will enable Semrock to focus on high-volume miniaturized optics for the emerging diagnostic and point-of-care health care market. Semrock supports the biotech and analytical instrumentation market with optical filters for fluorescence instrumentation and microscopy, Raman instrumentation filters and laser analytical instrumentation filters.