Important dates

• The registration for OPTO2023 will close on the 15^th of April or after reaching the 110 participants limit.
• The conference fee should be paid before the 15^th of April.
• Abstracts must be sent by the 30^th of April. Results will be announced before the 15^th of May. Information will be sent by e-mail to the addresses provided during registration. Abstracts sent by the 15^th of March will be evaluated before the 15^th of April.