BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20200624T000000Z DTEND:20200624T000000Z SUMMARY:Nanophotonics and Micro/Nano Optics International Conference 2020: Oral abstract deadline due before 24th June 2020 LOCATION:Paris-Sorbonne University,Paris,France END:VEVENT END:VCALENDAR