Abstract
The maximum size of a holographic grating that can be manufactured in a specific set-up is, in principle, limited by the size of the collimating optics (mirrors) in this set-up. A technique, which permits to circumvent the limitation set by the mirrors and fabricate large holographic gratings, is described. The accuracy of phase agreement, when two gratings are bound together, is better than λ/20.
© 1988 Optical Society of America
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