Optica will be performing scheduled maintenance on Wednesday (8 October) beginning at 17:00 ET. We apologize for any inconvenience this may cause. Thank you for your patience as we improve our services.


If you need assistance, Customer Service can be reached at +1 202.416.1907 (Worldwide) +1 800.766.4672 (US/Canada) or by emailing us at custserv@optica.org. Customer Service is available from 08:30 to 18:00 ET, Monday through Friday.

Virtual Day: 22 October 2025
Technical Conference: 26 - 30 October 2025
Exhibition: 28 - 29 October 2025
Colorado Convention Center | Denver, Colorado, USA

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Virtual Day: 22 October 2025
Technical Conference: 26 - 30 October 2025
Exhibition: 28 - 29 October 2025
Colorado Convention Center | Denver, Colorado, USA

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FiO Meeting Archives

Use the links below to access the FIO LS meeting archives.