Thanks for your kind supports to The 13th International Symposium on Photonics and Optoelectronics (SOPO 2021) which will be held from August 17 to 19, 2021 in Guilin, China.

1. Please check the Draft Schedule Program Guide and confirm that you will give the presentation according to it.
The authors attending oral sessions should prepare PowerPoint or PDF files for presentation in English (about 10 minutes plus 5 minutes for discussion). Other facilities will be provided by us. If you prefer to giving a poster presentation, please bring the poster to us directly.

2. Full papers have been sent for publication processing. If you still would like to publish a full paper, please upload your final paper, submit the copyright and finish the payment for further processing.

3. If you can not attend the event in person, you are welcome to submit a presentation video of about 15-20 minutes. We will arrange it into the presentation list and play it according to the schedule.

Thanks in advance for your kind cooperation. Look forward to your positive reply.

Regards,
Organizing Committee