Acta Optica Sinica, Volume. 3, Issue 5, 466(1983)
An approach to the ruling of special circle-dividing gratings
In this paper, some special measures based on the grating photoetehing technique are presented. The ruling of circle-dividing gratings with optional fringes, quadruple frequency and absolute zero has been carried out in this manner.
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ZHU JIBIN. An approach to the ruling of special circle-dividing gratings[J]. Acta Optica Sinica, 1983, 3(5): 466
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