Topic
Ruby laser
About: Ruby laser is a research topic. Over the lifetime, 2474 publications have been published within this topic receiving 38933 citations. The topic is also known as: corundum laser & ruby rod.
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TL;DR: It is suggested that it is feasible to design a protocol for the management of malaria in human patients using laser treatment with a wavelength specific photolysis of only the parasitized erythrocytes.
9 citations
TL;DR: In 1960 two rival laboratories reported the creation of lasers and controversy over priority and proper behavior has persisted for half a century as discussed by the authors, and three Bell Labs veterans of that confused but exciting summer tell the story as they remember it.
Abstract: In 1960 two rival laboratories reported the creation of lasers. Controversy over priority and proper behavior has persisted for half a century. Now three Bell Labs veterans of that confused but exciting summer tell the story as they remember it.
9 citations
TL;DR: In this article, a new type of absorption calorimeter is described which is capable of measuring absolute energies over a wide range of laser outputs with an accuracy of better than 5%.
Abstract: A new type of absorption calorimeter is described which is capable of measuring absolute energies over a wide range of laser outputs with an accuracy to better than 5%. It consists essentially of a spherical cavity which absorbs laser radiation focused into it by means of a lens. Experimental results are given for ruby laser pulses together with estimates of the errors involved using this technique.
9 citations
TL;DR: In this paper, the first study of jitter in a laser triggered spark gap switched by pulse trains from a mode-locked ruby laser is described, where the gap was fired by producing gas breakdown in a high pressure argonnitrogen mixture between the pole pieces.
Abstract: The first study of jitter in a laser triggered spark gap switched by pulse trains from a mode‐locked ruby laser is described. The spark gap was fired by producing gas breakdown in a high pressure argon‐nitrogen mixture between the pole pieces. Jitter was measured as a function of the position of the lens used to focus the laser beam and as a function of the ratio of the applied voltage to the self‐breakdown voltage of the gap. Jitter values of less than 2 nsec were obtained under optimum conditions provided that the gap was fired by the early part of the pulse train.
9 citations
01 Dec 2011
TL;DR: The first successful operation of a diode laser was reported only in 1962 by several research groups (one of them being GE) as discussed by the authors, although the first emission of light by a semiconductor was by HJ Round in 1907 using the compound silicon carbide by the phenomenon of electroluminescence.
Abstract: Diode lasers have been a singular innovation and invention that has transformed scenarios in optical fiber based telecommunications, information technology and inevitably augmented and enhanced medical and dental practice. Theodore Maiman in 1960 (at Hughes research laboratory) heralded the birth of modern laser science with the epoch breakthrough of the Ruby laser (694 nm), but the first successful operation of diode laser was reported only in 1962 by several research groups (one of them being GE). Albeit the first emission of light by a semiconductor was by HJ Round in 1907 (Elect World 1907, 19:309) using the compound silicon carbide by the phenomenon of electroluminescence, Basov et al had suggested in 1961 that stimulated emission could occur in a semiconductor by the recombination of charge carriers across a p-n junction or homojunction diodes (Chow and Koch, semiconductor-laser fundamentals: Physics of the gain materials, Springer). Subsequent innovations saw the advent of the heterostructure/ heterojunction diode laser in 1969 from the combined research of Herbert Kroemer and Zhores Alferov (Nobel Prize in 2000).1
9 citations