• All conference participants are strongly recommended to register in advance through the Online Registration System.
  • CLEO-PR 2024 provides an Early Registration Fee until Saturday June 15, 2024 to generate discounted rates of the registration fee for those highly interested in the conference. Online Early Registration at the official website is highly recommended to all participants of the conference.
  • Each paper should be registered by an author or presenter with a completed payment of the registration fee by Saturday June 15, 2024. Only the accepted papers with proper registration can be presented in CLEO-PR 2024 and published in the conference proceedings.
  • Please refer to Visa Information page for more information on VISA.

Registration Fees

CLEO_PR 2024 Registration Fees (USD) Early(until Jun. 15, 2024) Standard(Jun. 16 - Jul. 31, 2024) On-site(Aug. 4 - 9, 2024) Fee Includes
Conference Regular Member 700 780 780 Access to all technical sessions
Admission to Exhibition, Get-Together Party, Banquet
Non-Member 800 850 850
Student Member 400 450 450 Access to all technical sessions
Admission to Exhibition, Get-Together Party
Non-Member 460 500 500
Additional Banquet Ticket
(※First Come, First Served)

* Member registration fee is applicable to members of Optica, ANZOS, COS, IEICE/CS, IEICE/ES, IEEE Photonics Society, JSAP, OSK,   KPS/ OQE, TPS

Registration Procedure

  • STEP 1

    Sign up & Login

  • STEP 2

    Click the
    'Registration Submission' button

  • STEP 3

    Fill out the On-line
    registration form

  • STEP 4

    Click the 'Submit' button

  • STEP 5

    Check your details scrolling down, and Click the 'Pay Now' button

  • STEP 6

    Credit Card: Pay the registration fee through the online payment system
    Bank Transfer: Transfer your fee to the bank account written in the invoice

  • STEP 7

    Confirmation Letter will be
    sent to you

※ We recommend using Chrome for the best practice.

※ The conference uses one system for paper submission and registration. If you already created an account during paper submission
    period, please proceed right away with logging in.

Methods of Payment

By Credit Card

Credit cards of VISA, MASTER, JCB, UNIONPAY, and AMEX are accepted.
  • (Participants from Korean institutes) Please note that your monthly credit card statement will indicate your payment to Duzon.
  • (Participants from non-Korean institutes) Please note that the billing descriptor will be listed as EXIMBAY.COM. This payment method is provided by Eximbay and is billed as

By Bank Transfer

  • Please find your registration fee invoice in the online registration system and make a transfer to the written bank account in the invoice.
  • Sender’s name MUST BE 4-digit Registration Number + Registrant’s Name. (Ex: 0000 Secretariat)
  • All bank remittance charges for sender and receiver are to be paid by the participant.

After making your transfer, please send your remittance slip to the Secretariat ( Once your deposit details are verified, the Secretariat will email you a confirmation on your registration within a week.

CLEO-PR 2024 Secretariat

If you have any problems or inquiries,
please feel free to contact CLEO-PR 2024 Secretariat.

Cancellation Policy

  • To request a refund and cancel your registration, please notify the CLEO-PR 2024 Secretariat via email at After the conference, a refund will be made upon receipt of this written request.
  • All bank service charges for sender and receiver are to be paid by the participant, and the registration fees are refundable as specified below.
By June 15, 2024 100% Refund
From June 16, 2024 No Refund

Registration Documents

For Online Registrants

  • Invoice for registration fee will show up in the online registration system once you submit your registration.
  • Receipt and Confirmation Letter will appear later once we verify your payment.
  • Certificate of Participation will be available on the online registration system for download starting the first day of the conference (Sunday, August 4, 2024)

For On-site Registrants

Please send your request to our secretariat at
You should mention your REGISTRATION NUMBER (4-digit number on your on-site name badge), NAME and AFFILIATION in your email.