For Speakers
19 - 23 October 2025
Prague Congress Centre
Prague, CZECH REPUBLIC
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Speaker Resources
Welcome to the Speaker Resources Center. Here you will find information on important deadlines, presentation recording and formatting, upload instructions, presider guidelines and other items that you will need to read before attending this event. Meeting specific information such as poster set-up and tear-down times can be found at the bottom of this page.
Meeting Format
Optica Laser Congress will be presented as an in-person event with on-demand content. Archived recordings of sessions will be available on demand about 24 hours after each session.
In-Person Oral Presenters
Presentation Upload
Please upload your presentation to the presenter laptop in the session room two hours before your session start time. Morning session presenters should upload their presentation file 30 minutes before the session starts (or the day before).
Please make sure to upload your presentation to the presenter laptop located at the podium in your session room. The PowerPoint ratio is 16:9.
Additionally, please make sure to speak into the microphone during presentations. The sessions are being recorded for those that registered for on-demand (later viewing) so it is important that we provide clear audio to the on-demand audience.
For Mac Users: Optica Management requests that all speakers bring a copy of their presentation in either a PowerPoint (PPTX) or PDF format for presenting on the provided systems. Speakers should bring a copy of their presentations on a FAT32 or NTFS formatted USB flash drive with a standard USB-A connection. And as with all speakers, you are welcome to check the presentation in the assigned session room during the breaks or lunches before the event starts.
Instructions for On Demand Presenters
For individuals participating in On Demand Sessions, information regarding uploading your presentations have been provided to you via email. Further information about recording your presentation appear on the On Demand Presentation Guidelines page and the other speaker resource links on this page, including tips on recording your presentation. In order to be published, there is a strict deadline of receiving your recorded presentation by 10 October 2025.
Poster Information
All on-site poster presenters will be supplied with a bulletin board and pins. The poster board sizes for Laser 2025 will be 200 cm/78 inches (high) x 103 cm /40 inches (wide) but please not the usable area is 180 cm/70 inches (high) x 97 cm/ 38 inches (wide)- vertical. Posters should be set up no later than 30 minutes prior to the start of the poster session in which you are scheduled. Posters must be removed no later than 30 minutes before the exhibit floor closes for the day. Posters remaining after this time will be discarded.
Poster presenters who are not attending the conference in person, but will be providing their materials virtually for display in the E-poster gallery can refer to the Poster Presentation Guidelines page for further details. Full instructions for uploading your poster PDF and three-minute video will be provided by email as well.
Poster Session Times and Location
| Session Title | Session Date | Session Time | Session Location |
| JTu2A – Joint Poster Session I | Tuesday, 21 October | 10:30 - 11:30 | Congress Hall Foyer 3 |
| JW2A – Joint Poster Session II | Wednesday, 22 October | 10:30 - 11:30 | Congress Hall Foyer 3 |
On-site Setup and Tear-Down Times
Posters should be setup no later than 10:00 AM CET. Posters should be placed on their designated boards to match the number of their final ID. Posters must be removed no later than the end of the day, unless management advises you they should be removed earlier. All posters remaining at 16:00 will be discarded.
Optica Virtual Background (for virtual poster presenters)
We encourage all speakers to use the Optica background when prerecorded videos for virtual poster presentations.
The Zoom platform allows you to customize your virtual background in Settings/Virtual Background.
- Download the Optica background image or save the image displayed above (PC users: right click on image, then select "Save as"; Mac users: drag and drop image or CNTRL-click, then "Save Image As")
- Select the "+" button to add the image to your Zoom client
- Select "Mirror My Video"
Note: Virtual backgrounds work best when you present in front of a bare wall with no bright light behind you.
Speaker Timeline
| No later than 4 weeks prior to meeting start date | Poster Presenters will receive an email message requesting their prefered presentation method and containing information on how to upload presentation videos within the conference paper submission system, by clicking on the "Alert" pop-up box that will appear in their account. |
| 10 October | Submit your virtual poster presentaiton documents (required for on-Demand poster presenters and recommended for in-person poster presenters) |
| 19 - 23 October | Prepare to present at the Optica Laser Congress |
Instructions and Resources
An Introduction to the Zoom Web Conferencing Platform
Never used Zoom? Not a problem. We offer some basic instructions on how to create an account as well as some handy features you'll want to utilize as a presenter or participant.
Pre-recording a Video Presentation
Get step-by-step instructions on how to record your presentation, then upload it to the presentation module.
An overview of Optica policies regarding the publication of conference papers, corrections and retractions of conference papers and open access.
