Abstract
By the end of July, in the summer of 1959, I completed my work on the miniaturized liquid-nitrogen ruby maser . Starting in early August, I reassembled my earlier formative thoughts that had been interrupted and diverted, when I was enlisted into the ruby maser project. I began to devote full effort to consideration and analysis of my concepts for a laser.
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Notes
- 1.
One million dollars in 1959 is equivalent to about five million dollars in 2000.
- 2.
The chemical alkali elements, of which potassium is a representative, have very high chemical reactivity, so much so, that they cannot be safely handled with bare hands. A piece of alkali metal dropped into water starts a fire.
- 3.
Chemical activity increases rapidly when the temperature rises.
- 4.
I back up my view of the Schawlow–Townes proposal in Chap. 19.
- 5.
A new immature technology called multilayer dielectric coating had to be employed to develop that special mirror.
- 6.
The word “doped” in the context of crystal growth refers to the addition of controlled amounts of impurities.
- 7.
The ruby crystal growth process is explained in Chap. 20.
- 8.
It is, perhaps, somewhat confusing that ruby can be used for masers as well as lasers. That is a coincidence; there is no direct connection between the two.
- 9.
Saturo Sagano and Y. Tanabe.
- 10.
The second level is the broad green band.
- 11.
In Chap. 9, I offer an extension of the marble-on-the-table analogy to elucidate the fluorescence process.
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Maiman, T.H. (2018). Race to the Light. In: The Laser Inventor. Springer Biographies. Springer, Cham. https://doi.org/10.1007/978-3-319-61940-8_8
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DOI: https://doi.org/10.1007/978-3-319-61940-8_8
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