Fraunhofer Lines

Joseph von Fraunhofer and the Solar Spectrum

Joseph von Fraunhofer and the Solar Spectrum

On March 6, 1787, German optician and physicist Joseph Fraunhofer – later enobled Ritter von Fraunhofer – was born. He is known for the discovery of the dark absorption lines known as Fraunhofer lines in the Sun‘s spectrum, and for making excellent optical glass and achromatic telescope objectives. Moreover, he is the name giver for the German Fraunhofer Society for the advancement of applied research. “In all my experiments I could, owing to…
Read more
Anders Ångström and the Science of Spectroscopy

Anders Ångström and the Science of Spectroscopy

On June 21, 1874, Swedish physicist Anders Jonas Ångström passed away. Anders Ångström is considered one of the founders of the science of spectroscopy. His pioneering use of spectroscopy is recognized in the name of the angstrom, a unit of length equal to 10-10 metre. Anders Jonas Ångström was born into a wealthy, upper class family in Logodo, Medelpad, Sweden, to Johan Ångström, a preacher at Lögdö Ironworks and later Assistant Vicar…
Read more
Relation Browser
Timeline
0 Recommended Articles:
0 Recommended Articles: