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Owing to an error in specifications, a plane-reflection grating recently received in our laboratory was found to be too long. This caused vignetting of a light beam in the monochromator in which the grating was to be used, with a consequent loss of transmitted light. Because of the
cost and delivery time incurred in obtaining the grating, it was there-fore desired to cut it. It was, of course, essential that the ruled surface of the grating remain undamaged during the cutting operation. Since a diamond saw was to be used, it was also essential that the lubricant used
with the saw be prevented from reaching the rulings. The lubricant contained a wetting agent which penetrated most common adhesives, and finding a satisfactory adhesive was one of the main difficulties encountered. However, after a number of trials the following method of cutting the grating
without damage was found.
National Research Council of Canada, Ottawa 7, Ontario
Publication date: May 1, 1968
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)