Groove depth determination using a laser for sinusoidal groove gratings
- 1 August 1977
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 16 (8) , 2086-2089
- https://doi.org/10.1364/ao.16.002086
Abstract
We describe a technique for determining the groove depth of gratings having sinusoidal grooves. Absolute efficiencies measured using a laser are compared with numerical results to give an indication of groove depth.Keywords
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