https://optics2026.spectrumconferences.com/
4th International Summit on Lasers Optics and Photonics. venue spain,Madrid is, of course, the capital of Spain and probably the most welcoming city in the whole country. A good way to sum up our amazing city is to say it’s alive and culturally vibrant, so there are many Madrid attractions and a lot of things to do in the city. The city combines modernity with tradition and is constantly evolving. It is, for sure, a must-see European destination