Important Notice: OSA's offices are closing early on Friday, 27 May 2016 at 3 PM EDT (UTC−04:00) in honor of the Memorial Day Weekend. The offices will reopen on Tuesday, 31 May 2016 at 8:30 AM EDT.
Minorities & Women in OSA
OSA Member, Family & Friends
Optics & Photonics Regions
Economically Developing Nations