GRINTECH – Your partner for innovative micro-optics solutions
We are GRINTECH – a medium-sized high-tech company based in Jena, the “City of Light”, with around 25 years of experience in innovation. Our technology is unique worldwide and revolutionizes the way light can be used in various applications: We develop GRIN gradient index micro-optics made of glass and produce high-precision miniaturized optical components and systems with unique properties based on these “gradient index lenses”.
Our dedicated team with decades of experience in physics, engineering, precision optics, chemistry and industrial mechanics is continuously working on new, individual solutions for the most demanding requirements in a wide variety of fields, such as sensor technology, fiber optics, biophotonics, medical imaging, telecommunications and laser diode beam shaping.
Strengths of the GRIN-technology

Micro
up to 250 µm
up to 125 µm if required

Simple
attachment
to flat surfaces

Precise
assembly
with other components

Sustainable &
biocompatible
without toxic materials

Any Questions?
Contact us!
Dr. Bernhard Messerschmidt & Anke Kräplin
Management
Telefon: +49 (3641) 55417-0
E-Mail: info@grintech.de
Events + News

Technology meets exchange: GRINTECH at the W3+ Fair
September 2025 – GRINTECH will once again be represented at the W3+ Fair & Convention in Jena in 2025 – meet us on 24 and 25 September at booth C1b in hall 1 of the Sparkassen-Arena.

GRINTECH goes LASER World of Photonics
June 2025 – GRINTECH will once again be represented at Germany’s most important photonics trade fair in 2025: LASER World of PHOTONICS in Munich. Our team is looking forward to the joint exchange from June 24 to 27 – visit us in hall B1/ booth 333.

Marion Walsmann visits GRINTECH
March 21, 2025 – On March 21, Member of the European Parliament Marion Walsmann visited GRINTECH. In a joint open dialog, we talked about reducing bureaucracy and EU funding for medical technology and photonics. Her visit to us provided valuable input for her political work in Brussels and Strasbourg.