The International Society for Optical Engineering and Institute of Physics has completed the full acquisition of the joint-venture company Optics.Org Ltd by Institute of Physics Publishing (IoPP). Optics.Org and sister website Fibers.Org will become an integral part of the institute's online strategy with extensive software and content development. The Optics.Org website is tailored to meet the needs of optics, photonics and imaging professionals worldwide with a user base of more than 30,000 people.