National Aperture Inc. - Salem, NHManufactures precision apertures and miniature micropositioning components. Apertures: pinholes, air slits, and patterns on foils, exotic materials, and reflective surfaces. Micropositioning products: miniature motorized linear and rotary translation stages, PC-based servo-control systems, and light-duty servo amplifiers.
Photonics Media - Pittsfield, MAPublisher of Photonics Spectra, BioPhotonics, and Vision Spectra magazines (print and digital); the Photonics Marketplace featuring the Buyers' Guide and Handbook, (online and in print), ProdSpec, Career Center, and Dictionary; and Photonics.com - with online versions of all our publications, daily news, feature articles, webinars, videos, whitepapers, subscriptions, tradeshow coverage, a bookstore, the All Things Photonics Podcast, and more. Organizer of Photonics Spectra online conferences throughout the year.