Contact Us
Phone (520) 529-2950
info @ optiper.com

 
 
 
CaliBall: 3X Interferometer Performance Boost

Interferometer performance is primarily limited by reference surface quality. CaliBall easily calibrates the reference surface to λ/30 or better rms, 3X better than commercial grade transmission sphere optics.

Reference surfaces are calibrated at the factory, but shipping shock, thermal differences between shop and calibration lab and other environmental effects degrade their accuracy. CaliBall overcomes these uncertainties and increases their performance by calibrating the reference surface in the measurement set up. A perfect demonstration to a customer that your interferometer is as good as you say.

CaliBall is Cost Effective & Easy to Use

λ/30 reference surfaces are available but for astronomical prices and in limited versions. And these high quality transmission sphere can also display degraded performance due to environmental affects.

Calibrate all your transmission spheres with one CaliBall and support annual factory wide calibration maintenance and ISO certification.

CaliBall utilizes simple averaging to improve interferometer performance. The procedure is well within the capabilities of a trained operator.

Two CaliBall Models

CaliBall comes in two models: CaliBall I for vertical interferometer set ups and CaliBall II for horizontal set ups which bayonet mounts into a typical Zygo or ESDI 4″ mount.

Some Caliball Users

 

Technical Papers

Calibration of Interferometer Transmission Spheres

A Simple Ball Averager for Reference Sphere Calibrations, U. Griesmann et al., NIST, 2005

 

Create an Account to Download more papers about the CaliBall and interferometer calibration

Brochure about the CaliBall

Contact OPG to Purchase