Postdeadline Submission Deadline: March 16, 2010 12:00 p.m. noon, EDT (16.00 GMT) Housing Deadline: Extended through March 19, 2010 Pre-Registration Deadline: March 19, 2010
For questions concerning DH please contact: The Optical Society 2010 Massachusetts Ave, NW Washington, DC 20036-1023 USA Tel: +1 202 416.1907 or +1 800.766.4672 Fax: +1 202 416.6140 Email: custserv@osa.org