How do I access my 50 free downloads from Optica Publishing Group's Digital Library member benefit?

Visit Optica Publishing Group's Digital Library (formerly OSA Publishing) and click on “Log In.” You will be prompted to login using your email address and your password. (Note: If you do not know your password, you can reset it online.) New users will be asked to agree to the terms of the “Optica User Agreement.” If you are a returning subscriber, once you login, you will have access to your 50 downloads from Optica Publishing Group's Digital Library, OPN Online, Optics Express and any additional journals you may have purchased.