The Spectroscopy of the Extreme Ultra-Violet (Paperback) (ISBN-13: 9781026003190)

"The Spectroscopy of the Extreme Ultra-Violet" is a foundational scientific monograph that explores the frontier of the electromagnetic spectrum. Written by the distinguished physicist Theodore Lyman, this work meticulously examines the region of light situated between the visible spectrum and X-rays, a territory in which the author was a pioneering investigator. The text provides a comprehensive overview of the specialized techniques and experimental apparatus required to observe and measure radiation in the extreme ultraviolet range, addressing the unique challenges posed by atmospheric absorption.

The volume details the development of the vacuum spectrograph and presents significant findings related to the absorption spectra of gases and the discovery of the hydrogen series that now carries the author's name. By documenting rigorous experimental data and theoretical insights, the work serves as a vital historical record of the evolution of modern optics and atomic physics. It offers readers an in-depth look at the scientific methodology and the technical breakthroughs of the early twentieth century that laid the groundwork for future advancements in quantum mechanics. This monograph remains a significant resource for those interested in the history of science and the fundamental principles of spectroscopy.

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