Hall et al., 1952 - Google Patents
On the production of diffraction gratings II. The generation of helical rulings and the preparation of plane gratings therefromHall et al., 1952
View PDF- Document ID
- 3613615256917825233
- Author
- Hall R
- Sayce L
- Publication year
- Publication venue
- Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences
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The paper describes the development at the National Physical Laboratory of Sir Thomas Merton's method of ruling helical diffraction gratings and of transferring them to plane surfaces. It is shown that the periodic errors inevitable in lathe-cut screw threads can be …
- 238000004519 manufacturing process 0 title description 14
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