The International Day of Light (LightDay)is a worldwide initiative that provides an annual focal point for the continued appreciation of light and the role it plays in science, culture and art, education and sustainable development, and in fields as diverse as medicine, communications and energy. The International Day of Light is administered from the International Basic Science Programme (IBSP) of UNESCO by a Steering Committee that includes representatives from a broad range of international partners: the American Institute of Physics (AIP), the American Physical Society (APS), Bosca, the China International Optoelectronic Exhibition (CIOE), Chinese Optical Society (COS), the European Centres for Outreach in Photonics (ECOP), the European Photonics Industry Consortium (EPIC), the European Physical Society (EPS), the Illuminating Engineering Society (IES), the International Centre for Theoretical Physics (ICTP), the IEEE Photonics Society (IPS), the International Commission on Illumination (CIE), lightsources.org - the international network of accelerator based light sources, Light: Science and Applications, The Optical Society (OSA), Tampere University, SPIE, the International Society for Optics and Photonics, SESAME, Signify, Tampere University, Thorlabs, Transitions, the Université de Franche-Comté and Velux.

For information about the International Day of Light, please visit www.lightday.org

About IEEE Photonics Society

The IEEE Photonics Society is the professional home for a global network of scientists, engineers and allied professionals who advance laser, optoelectronics, and photonics technology. As a technical society representing the IEEE, it is a vital part of the world's largest technical professional organization of more than 400,000 members dedicated to advancing technology for the benefit of humanity. Through its highly cited publications, conferences, technology standards, educational activities, and humanitarian initiatives, the IEEE Photonics Society provides its members in more than 160 countries the opportunity to grow professionally and stay on the forefront of transformational breakthroughs in photonics. PhotonicsSociety.org

About SPIE

SPIE, the international society for optics and photonics, was founded in 1955 to advance light-based technologies. Serving more than 255,000 constituents from 183 countries, the not-for-profit society advances emerging technologies through interdisciplinary information exchange, continuing education, publications, patent precedent, and career and professional growth. SPIE annually organizes and sponsors approximately 25 major technical forums, exhibitions, and education programs in North America, Europe, Asia, and the South Pacific. In 2020, SPIE provided more than $5 million in support of education and outreach programs. www.spie.org

About The Optical Society

Founded in 1916, The Optical Society (OSA) is the leading professional organization for scientists, engineers, students and business leaders in light science and technology. The society serves over 432,000 customers and 22,000 members from more than 100 countries who fuel discoveries, shape real-life applications and accelerate achievements in the field. OSA provides quality research, inspired interactions and dedicated resources for its extensive global network of optics and photonics experts through world-renowned publications. For more information, visit osa.org.

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