SO-FL04 SERIES
SO-FL04 Quartz Double-Surface Optical Flat provides two precision quartz surfaces for demanding interference tests, optical contacting and transmission-reference work.
Product Overview
Engineering Guidance
The model table keeps each available grade separate because aperture, thickness, surface accuracy and parallelism directly change how the reference optic performs.
Confirm the required grade on each face and the parallelism requirement; the two available face-grade combinations are not interchangeable.
Custom substrate materials, dimensions, angular tolerances and coating bands can be reviewed for prototype and production quantities.
Technical Resources
Selection notes and practical guidance matched to this product family.
Understand how a plane-parallel window protects an optical path while controlling wavefront and beam deviation.
Compare spectral range, thermal stability, hardness and cost for common optical-window substrates.
Connect window tolerances to transmitted wavefront, wedge, scattering and mechanical integration.