Division 4 News and Events

July 4, 2025 to July 11, 2025

Austria Center Vienna

CIE Midterm Meeting Vienna, Austria 2025

Call for ContributionsConference website

  • 4 - 6 July, 2025: CIE Statutory Bodies Meetings
  • 7 - 9 July, 2025: CIE Scientific Conference (6 July, 2025 - Welcome reception)
  • 10 - 11 July, 2025: CIE Division & TC Meetings

June 3, 2024

Bureau International des Poids et Mesures (BIPM) in Sèvres, France

CCPR-CIE Expert Workshop "100 Years of V(Lambda) and The Future of Photometry'"

March 3, 2024 to March 8, 2024

Messe Frankfurt, Ludwig-Erhard-Anlage 1 | Frankfurt am Main

CIE at the Light + Building Trade Fair 2024

February 9, 2024

CIE Volunteer Survey

February 5, 2024

Proceedings of the 30th Quadrennial Session of the CIE is now published

We are delighted to announce the release of the Proceedings of the 30th Quadrennial Session of the CIE: Innovative Lighting Technologies, held in Ljubljana, Slovenia from September 15-23, 2023!

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