International Day of Light 2018

The Optical Society (OSA) supports the UNESCO endorsement of the International Day of Light on 16 May 2018 as a founding partner.

The Optics SuitcaseOSA Student Chapters and Local Sections: Apply for a special 2018 International Day of Light edition of The Optics Suitcase to use for a teach-in either on 16 May 2018 or between 1 April and 30 June 2018. Examples of teach-ins are a visit to a local school for lessons in a classroom or participation in a public event with demonstrations at a booth. The application will open soon through 15 January 2018. Learn more through logging into your OSA Grants Database account. You can learn more about The Optics Suitcase at
MatherWatch the special CLEO plenary session: CLEO will feature a special International Day of Light plenary session with Nobel Laureate John Mather and a live-streamed presentation of his talk "Exploring the universe at the speed of light." For more information, visit CLEO is co-sponsored by The Optical Society (OSA), IEEE Photonics Society and the American Physical Society (APS).
Optics in artExperience optics and photonics in art: ARTECHOUSE, Washington, DC's first innovative art space dedicated to arts and technology, is joining forces with The Optical Society (OSA), American Institute of Physics (AIP) and American Physical Society (APS) to present an innovative exhibition celebrating the first International Day of Light on May 16th, 2018. Incorporating the latest lighting and digital technology, the exhibition will feature installations from the world-renown artists. Visitors will step into an immersive world of light and explore the science behind the mediums used. More information to be released soon.

Thoughts on the International Day of Light

Hear from members on the value of the International Day of Light and look back on the International Year of Light.