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polishing Features
Scanning White-Light Interferometry Fingerprints the Polishing Process
Characterizing the effects of polishing optical surfaces beyond a surface roughness parameter may enable superior finishes. A wide variety of techniques can be used to manufacture high-quality optical surfaces. These range from surface generation, grinding, lapping and full-aperture pitch polishing to more advanced techniques such as deterministic figuring using MRF (magnetorheological finishing), ion beam figuring and computer-controlled polishing. Specialized processes such as diamond turni...
Photonics Spectra, July 2013
Superpolished Optics Enable High-Sensitivity Laser Applications
A review of superpolished surfaces, including fabrication and measurement, as well as some of the leading applications that depend on these optics. Superpolished optics – that is, components with subangstrom surface roughness – represent...
Photonics Spectra, November 2012
Telescopes Require Polishing to Perfection
As astronomy projects look deeper into space, polishing the optics becomes more and more critical. This past summer, there was a go-ahead to go big. The European Southern Observatory member states declared support for the billion-plus-euro ($1.3...
Photonics Spectra, November 2012
Lasys 2012 to Emphasize Materials Processing
Every two years, the trade fair draws thousands to Stuttgart to discuss new technologies, applications and ideas for laser systems. Innovations and recent developments in laser technology – machines and subsystems, processes and services...
Photonics.com, June 2012
High Laser-Induced-Damage Threshold Optics
Despite nearly 50 years of study, laser damage continues to be a topic of some confusion for both optics manufacturers and consumers. Laser optics purchasers need to know the primary causes of damage and the steps that fabricators typically take to...
Photonics Spectra, March 2011
Measurement of centering errors, automated adjustment and mounting of lenses
Classical optical measurement techniques combined with modern PC technologyprovide accurate alignment, bonding and cementing of optical components and systems. These processes are fully automated and significantly reduce production time and cost....
Photonics.com, June 2010
High-Throughput Measurement Speeds Production of Large Optics
Dynamic laser interferometry is an established technique for measuring optical-grade surfaces in the presence of vibration and air turbulence. Unlike traditional laser interferometry, dynamic interferometry does not require expensive vibration...
Photonics Spectra, May 2010
(7 results found)
April 2024
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