New custom-designed and manufactured low stray light gratings up to 300 mm in diameter provide a diffraction frequency >90% (absolute). Available in sizes from <100 nm to >1 mm, they offer optical transmissions of 400 nm to >3 μm, spatial frequency up to 5000 g/mm, wavefront <λ/10 P-V, and damage thresholds >1 MW/cm2.Holographix Hudson, MAwww.holographix.com
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