From June 26th to June 29th, 2017 Dutch optics centra was present at the Laser World of Photonics (www.world-of-photonics.com). This is the largest photonics trade fair in the world: 32000 exhibition visitors from 90 countries, with about 1300 exhibitors. In addition, the accompanying World of Photonics Congress with 3,500 visitors is an important event, which contributed to various DOC colleagues through posters, chairs and presentations. At the invitation of and together with PhotonDelta we represented the Dutch Fotonica landscape. Many PhotonDelta companies had a place in the stand (Smart Photonics, Bright Photonics, Phoenix Software, Jeppix, Lionix Nanolab @ tue,). Furthermore, the companies Optics11 and VTEC, the industry association PhotonicsNL and the government RVO were present.