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professional organization of people, institutions, and companies working with optics in Denmark.
http://www.dops.dk/
contributes to the scientific progress in optics and promotes their applications on the European and international levels.
http://www.europeanopticalsociety.org/
also known as the Central New England Council Chapter.
http://www.cnecleos.org/
standards body for wireless point to point IR. 150 member firms. Offers component and system resources, links to IR specific pages and more.
http://www.irda.org/
contributing, on an international basis, to the progress and diffusion of knowledge in optics.
http://www.ico-optics.org/
serves optics and photonics professionals around the world with conferences, peer-reviewed publications, and other services.
http://www.osa.org/