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Sill Optics GmbH & Co. KG
Germany
Glass & Ceramic Processing: Precision grinding and technical glass forming
Optical Engineering: Lens design, light paths, and photonics systems
Precision Grinding & Honing: Fine abrasive finishing for tight tolerances and surface quality
Thin Films & Coatings: PVD/CVD precursors and optical coatings

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Sill Optics GmbH & Co. KG is one of Germany’s leading precision optics manufacturers, founded in 1894 by Julius Ernst Sill and based in Wendelstein, Bavaria. The company specializes in the optical engineering and complete manufacturing of laser optics, machine vision lenses, and high-precision aspheric elements under a 100% ‘Made in Germany’ production philosophy.

Operating extensive in-house design and fabrication facilities—including CNC optical processing machines, Magnetorheological Finishing (MRF), thin-film coating chambers, and cleanroom assembly—Sill Optics maintains a DIN EN ISO 9001:2015 certified quality management system and serves major global OEMs across photonics and industrial equipment sectors.

Offer

Sill Optics provides integrated optical design, custom prototyping, and serial manufacturing capabilities:

  • Laser Processing Optics: F-theta scan lenses, telecentric scan lenses, collimation and focusing optics, and motorized/manual beam expanders covering wavelengths from 193 nm to 2,100 nm (including 1064 nm and harmonics).
  • Machine Vision & Imaging: Standard and customized telecentric lenses, telecentric condensers, entocentric lenses, and coaxial illumination assemblies for CCD/CMOS sensors up to large line-scan dimensions.
  • Precision Aspheres: Fabrication of aspheric surfaces from 15 mm to 180 mm diameter with radii from -100 mm concave to +10 mm convex, polished via MRF technology to surface accuracies below λ/10.
  • Optical Coatings: In-house physical thin-film anti-reflective (AR) and laser-line coatings engineered for high Laser Induced Damage Threshold (LIDT).
  • Engineering & Optical System Development: Full 3D optical and optomechanical layout design, ray simulation, and cleanroom mounting of complex multi-element optical assemblies.

Tags

optical engineering
lens design
laser optics
telecentric lenses
aspheric optics
f-theta lenses
beam expanders
Industrial Specializations: Glass & Ceramic Processing: Precision grinding and technical glass forming, Optical Engineering: Lens design, light paths, and photonics systems, Precision Grinding & Honing: Fine abrasive finishing for tight tolerances and surface quality, and Thin Films & Coatings: PVD/CVD precursors and optical coatings
Headquarter/main address: Johann-Hölfritsch-Str. 13
Wendelstein
Bavaria 90530
Germany
Get Directions
https://www.silloptics.de
Business Type: Manufacturer
Ownership: Private
Turnover: €10M - €50M
Employees: 100 - 249
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