For more information - see links below.

https://spie.org/conferences-and-exhibitions/photonics-west/program

https://spie.org/PW23B/conferencedetails/photodynamic-therapy

https://spie.org/conferences-and-exhibitions/photonics-west/program/browse-program?term=photo&pageSize=50&pagesVisited=1&sortBy=Relevance&tab=Presentation