optik düzlük

listen to the pronunciation of optik düzlük
Турецкий язык - Английский Язык
optical flat
a disk of high-quality quartz glass having at least one side ground and polished with a deviation in flatness less than 50 nanometers all over, and a surface quality of 5 microfinish or less; used, in an interferometer, to measure the flatness of other surfaces
optik düzlük
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