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LINEAR ENCODERS

Photonics Spectra
Aug 1998
OPTRA Inc.Request Info
 
Optra Inc. has introduced two linear encoders for ultrahigh-precision measurements. The NanoScale Model A provides subnanometer resolution, digital output and repeatability of better than ±5 nm. The less expensive Model B, which differs from Model A in its signal processor, offers 20-nm resolution and an A-quad-B output format that allows it to replace many existing linear encoder systems. The Model A operates at 1400 mm/s and the Model B at 175 mm/s.


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