• Technical Conference:  26 – 30 October 2025
  • Science + Industry Showcase:   28 – 29 October 2025
  • Colorado Convention Center, Denver, Colorado, USA

Contact Us

Need Assistance?

FiO LS Management  
Optica (formerly OSA)
Global Headquarters
2010 Massachusetts Ave. NW
Washington, DC 20036
USA

General Attendee Information

c/o Optica Customer Service -
FiO LS Management
custserv@optica.org
Tel: +1 202.223.8130
Fax: +1 202.416.6140

Exhibit Operations
exhibits@optica.org
Tel: +1 202.416.1911 or +1 202.416.1981

Exhibit Sales
exhibitsales@optica.org
Tel: +1 202.416.1988
Fax: +1 202.416.1408

Exhibitor Accounts
(Payments, Invoices, Booth Location or Contact Changes)
exhibitaccounts@optica.org
Tel: +1 202.416.1942
Fax: +1 202.416.1408

Sponsorship Sales
exhibitsales@optica.org
Tel: +1 202.416.1988
Fax: +1 202.416.1408

Media Relations
mediarelations@optica.org
Tel: +1 202.416.1435

Exhibitors — Who to Contact

  • Want more information on developing a customized sponsorship: exhibitsales@optica.org or +1 202.416.1988
  • Need a copy of an exhibit space invoice or information about your booth/sponsorship/advertising payment: exhibitaccounts@optica.org or +1 202.416.1942.
  • Need to change the primary contact of record: exhibitaccounts@optica.org or +1 202.416.1942
  • Have to make a change to your registration: Optica Customer Service – custserv@optica.org  or +1 202.416.1907
  • Not sure who to call? When in doubt you can always contact Optica Customer Service – custserv@optica.org or +1 202.416.1907 and we will point you in the right direction.