Gradient
Index Optics

Our Technology

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.

Products
for precise
requirements

Grid

With our strengths in research, development and production, we realize holistic solutions for individual precision optics. The special feature: our rod and cylindrical lenses are manufactured in glass using a unique, non-toxic silver ion exchange process. Based on our technology, we create innovative micro-optics that are used in a wide variety of applications. Our products meet the highest standards of quality and precision. We work with state-of-the-art manufacturing technologies to meet the most demanding requirements of our customers at all times.

Product Overview

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

Experienced Partner
for complex solutions

Grid

Our high-precision micro-optics and optical systems are used in a wide variety of areas: from optical sensors, endomicroscopy and endoscopy to dimensional metrology for industrial applications in the semiconductor sector. Our system solutions are also used in a wide range of research fields such as neuroscience, cell research, biomedicine and medical imaging.

OEM solutions

Local commitment & global innovation
from Jena

GridSkyline Lichtstadt Jena JenaParadies

Our company is based in the “City of Light” Jena, the cradle of the European optics and photonics industry. We are proud to have been part of the research-strong and innovative Jena community for 25 years. We have a broad and reliable local network of project partners and suppliers as well as an established customer base.

Company

Any Questions?
Contact us!

Dr. Bernhard Messerschmidt & Anke Kräplin
Management

Events + News

Die Messe W3+ in der Sparkassen-Arena Jena

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.

Contact

Do you have any questions? Please contact us.