Optical Surfaces Ltd.

http://www.optisurf.com
+442086686126

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About Optical Surfaces Ltd.

Optical Surfaces Limited – 40 years of experience

Optical Surfaces Ltd. has been producing large and demanding high precision optical components and systems for more than 40 years and is today internationally acknowledged for its technical expertise, attention to quality and customer service.

With the main workshops and test facilities deep underground in an area excavated from solid chalk, temperatures remain constant year-round and vibration is practically non-existent. These are important considerations when making, mounting and testing high precision optics. Working with these natural advantages Optical Surfaces ltd. is able to supply high precision off-axis parabolas, spherical and flat mirrors, etalons, aspherics, reference flats, windows, collimators and beam expanders for the most demanding applications. With such stable conditions testing, particularly with long path lengths, becomes quantifiable and reliable. Investment in large aperture Fizeau, Zygo GPI, Flashphase, Twyman Green, Scatterplate, and Laser Unequal Path interferometers allows detailed testing of the largest diameter optics. Topographic and fringe analysis provides precise testing of surface roughness and confirms the wavefront of various surface forms. A rolling program for calibration of test optics where possible to national standards and production approval to ISO 9001-2000 ensure that the quality of optics from Optical Surfaces is second to none.

Today the company is a trusted supplier to leading scientific, astronomical and defence establishments including many space projects worldwide.

TEST FACILITIES 

Optical Surfaces Ltd has been producing optical components and systems for the last 50 years and is now accepted as one of the world’s leading manufacturers of high precision optics.
The company’s ISO 9001-2008 approved manufacturing workshops and test facilities are deep underground in a series of tunnels excavated in solid chalk. This provides an environment where temperature is naturally stable and vibration is extremely low. With such stable conditions testing, particularly with long path lengths, becomes quantifiable and reliable.
In addition to these natural advantages, Optical Surfaces has invested in an extensive range of test equipment and have developed methods to ensure accurate and reliable testing.

  • Optical Surfaces test facilities currently include:
  • Several ZYGO GPI interferometers
  • 500 mm Fizeau – interfaced with ZYGO Flash Phase software
  • Phase shifting – Laser Unequal Path Interferometers (LUPI)
  • Class 10,000 (Class 7) clean room

Wherever possible all test equipment is traceable to National Standards.
Optical Surfaces also has access to surface roughness testing and other high accuracy metrology.
Test reports include details of mechanical, optical and environmental data.
Optical Surfaces are committed to enhancing our test capabilities and are constantly reviewing the facilities in light of technological advances.

 

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