International OptoIndex at W3+ Fair in Wetzlar.

March 19, 2026. Where innovation meets familiar faces. Great connections, great conversations, great success.

This year’s W3+ Fair once again demonstrated the power that emerges when innovation, expertise, and vision come together. With more than 150 exhibitors and partners from 11 countries, an inspiring conference program featuring around 75 speakers, and approximately 2,000 professional visitors, the event became a vibrant hub of ideas, collaboration, and future‑oriented thinking.

For Central Hesse, the W3+ Fair is far more than just a trade show – it is a showcase for cutting‑edge technology, a driver of innovation, and a key platform for attracting skilled talent. Year after year, it helps the region shine well beyond its borders.

A heartfelt thank you goes to our International OptoIndex customers, whom we had the pleasure of meeting in person during the event. These encounters – filled with insightful conversations, fresh perspectives, and shared ambitions – are what make the show so meaningful to us.

In the following images, you will find impressions of the companies Elma, Schott AG, fiberware GmbH, advanced fibetools GmbH, Polytec GmbH, Graticules, GVB GmbH and IMT , among many other valued partners who reflect the diversity and strength of our industry. of our industry.

Published by International Optoindex