What we celebrate at Day of Photonics?

On 21 October 1983, the General Conference of Weights And Measures adopted the value of 299,792.458 km/s for the speed of light.

On 21 October, we want to make photonics a trending topic. All you need to do is Google search the word “Photonics” on 21 October 2022, the international Day of Photonics.

Join us on the Google #Photonics Challenge

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Day of Photonics 2022 Activities

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21 October 2022