A biomedical optics exhibition and a symposium on optoelectronic devices will be part of Photonics West 2003, to be held Jan. 25-31 at San Jose Convention Center and Parkside Hall in San Jose, Calif. Photonics West has become North America's largest commercial exhibition on optics, lasers, biomedical optics, optoelectronic components and imaging technologies. Thousands of technical professionals interested in learning more about photon-based technologies and how they will influence the 21st century will attend. Projected attendance is 15,000 attendees, 6,200 exhibition walk-ins, 3,500 shorts-course attendees, 620 exhibitors and 70 registered press. BiOS, The International Biomedical Optics Symposium, will be held during the Photonics West kickoff weekend, Jan. 25-26 from 10 a.m.-4 p.m. Focused on lasers, fibers and optics in medicine, the BiOS exhibition will showcase the latest commercial applications of biomedical optics, instrumentation, component MEMs, bio-MEMs and related technologies. Topics will include: Clinical treatment and diagnostics; clinical technologies and systems, tissue engineering/science; biomedical spectroscopy, microscopy, and imaging; and biomolecular and cellular analysis. A "Hot Topics" session, moderated by Sergio Fantini of Tufts University, will include these panel discussions: Genetically Engineered Probes, Alexander Savitsky, Institute of Biochemistry, Russia Optical Characterization of Breast Tissue, Bruce Tromberg, Beckman Laser Institute and Medical Clinic Plasma Spectroscopy, Dan Nicolau, Swinburne University of Technology Micromanufacturing, DNA-based Nanoparticle Assembly, Chad Mirkin, Northwestern University. OPTO 2003 Also at Photonics West, Elias Towe of Carnegie Mellon University and Nasser Peyghambarian of NP Photonics Inc. and the University of Arizona will co-chair the OPTO 2003 Integrated Optoelectronic Devices symposium, the only technical conference of its kind covering the wide variety of fields incorporating optoelectronic devices and systems, including medicine, telecommunications, defense, law enforcement, computing and the life and physical sciences. More than 20 conferences, consisting of 600 papers, and 20 short courses will be offered on topics relating to the fast evolving field of optoelectronics. OPTO 2003 topics will include the latest trends in optoelectronic materials and devices; semiconductor lasers, LEDs and photodetectors; components and devices for optical communication; and nanotechnologies in photonics. For more information about Photonics West and the BiOS and OPTO symposia, visit: www.spie.org