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Interferometer plane

Both sides of our fused silica interferometer plane are polished to Λ/ 10 flatness with a 10-5 scratch-pitting surface quality. A slight wedge of 30±5 arcs suppresses the internal striation. The optical element has an interferogram which can be used as a calibration reference surface.

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Technical Data

UV fused silica with excellent thermal stability

Surface flatness is λ/10,10-5 scratch-pitting

Individual testing using included interferograms

Slight wedge almost eliminates internal streaks

干涉仪平面

 

干涉仪平面

干涉仪平面

Interferometer plane

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