The Early History of Spectroscopy
المؤلف:
Will Raven
المصدر:
Atomic Physics for Everyone
الجزء والصفحة:
p-30
2026-11-11
21
The first known exploration of a diffraction grating was by the Scottish mathematician and astronomer James Gregory in the mid 1600s. He observed the diffraction of sunlight caused by light passing through a bird feather. The individual feathers acted like the small slits of a transmission grating. The German physicist Joseph von Fraunhofer made the first diffraction grating in 1814.
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