Proceedings PaperCurrent Boundaries Of Mechanical Ruling Of Gratings
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Mechanical ruling of diffraction gratings is an art with a 150 year history and an indefinite figure. It is by far the most versatile of ruling methods available. It leads to the maximum attainable efficiencies over most of the electromagnetic spectrum and for a whole class of gratings represents the only approach to producing them. Since alternative methods have recently became feasible, and often very useful, it is appropriate to look at what the currnet boundaries are in terms of the various attributes that define a grating and its performance.