Rox Anderson has joined the advisory board of OmniGuide Communications Inc., a Cambridge, Mass., developer of hollow-core photonic bandgap fibers and components. Anderson is the director of Massachusetts General Hospital's Laser Center and an associate professor of dermatology at Harvard University. OmniGuide has an exclusive license from MIT on patents for omnidirectional reflectors deployed in its hollow core optical fibers.. . .Opto-Alignment Technology Inc. has launched a new web site at www.optoalignment.com. The site includes detailed information on the company's products for cleaning, handling, assembling and aligning optics and optical systems, including downloadable datasheets and operating manuals.