• Technical Conference:  05 – 10 May 2024
  • The CLEO Hub: 07 – 09 May 2024



Registration Types and Rates

Full Conference 

Access to all content including the Plenary Sessions, Technical Sessions, Postdeadline Papers Session, Poster Sessions, Symposia and Special Events. Also includes access to The CLEO Hub (Exhibition), Theater Programming and Technical Digest Papers and Postdeadline Papers.

*All presenters must register by 23:59 EDT (UTC-04:00), on Friday, 26 April 2024.

  Early Rate Standard Rate Late Rate
  Before or On 26 March 27 March – 09 April 10 April – 10 May
Member USD 743 USD 778 USD 931
Non Member USD 1,108 USD 1,161 USD 1,396
Student Member USD 326 USD 342 USD 413
Student Non Member   USD 472 USD 494 USD 578
Exhibitor Upgrade USD 743

USD 778

USD 931

Exhibits Pass Plus

Access to the Plenary Sessions and The CLEO Hub (Exhibition), which includes Theater Programming and Poster Sessions.

Exhibits Pass Plus FREE
Exhibitor Booth Personnel FREE

Short Courses

Each Short Course offers a unique learning opportunity with focused instruction in real-time. Short Course registration includes accompanying Short Course Notes.

*All presenters must register by 23:59 EDT (UTC-04:00), on Friday, 26 April 2024.

  Standard Rate Late Rate
  Before or On 09 April After 09 April
Half-Day Member USD 305 USD 375
Half-Day Non Member USD 385 USD 445
Half-Day Student Member USD 140 USD 150
Half-Day Student Non Member USD 140 USD 150


Early and Standard Registration Deadlines

Payment MUST be received with your registration form or online registration; NO registration will be processed without payment. All payments must be in US Dollars. Registrations received after 23:59 EDT (UTC-04:00) on Tuesday, 26 March, will be charged the Standard Rate. Registrations received after 23:59 EDT (UTC-04:00) on Tuesday, 09 April, will be charged the Late Rate. Upon receipt of your registration and payment, a confirmation letter will be e-mailed to each registrant. PAYMENT ISSUES WILL DELAY THE PROCESSING OF YOUR REGISTRATION. Note: All presenters must register by 23:59 EDT (UTC-04:00) on Friday, 26 April.

Code of Conduct

It is important to the success of this meeting that every attendee be treated with consideration and respect. Please review the Code of Conduct and Anti-Harassment policy.


Only credit card payments (VISA, Mastercard, American Express, Discover, Diners Club) are accepted during online registration.

Payments made by check or wire transfer must be made payable to Optica in US dollars and drawn on a US bank. Payments must accompany your registration form to process your registration order. 

Policies and Terms of Registration

Reasonable Event Policies and Terms have been established for CLEO. We encourage you to read these carefully, as all registrants to CLEO will be required to agree to these policies and terms as a condition of registration.

Privacy Policy

CLEO and its co-sponsors respect the privacy rights of our visitors and recognize the importance of protecting all information you may choose to share with us. To further this commitment, we have adopted this Privacy Policy to guide how we collect, store and use the information you provide.