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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8 citations
01 Nov 1968
TL;DR: In this paper, the transient phenomena of spark gap discharge in air triggered by a Q-switched ruby laser were studied by high-speed shadowphoto-graphs using another Qswitched Ruby laser.
Abstract: The transient phenomena of spark gap discharge in air triggered by a Q-switched ruby laser were studied by high-speed shadowphoto-graphs using another Q-switched ruby laser. A mechanical arrangement to provide time delays between the two laser pulses was worked out. Laser-induced sonic waves and the development of the discharge channel were clearly observed by this technique.
8 citations
TL;DR: In this article, a single coaxial spark-gap switch is used to initiate the functions of Q switching, actively mode locking, and cavity dumping of a ruby laser oscillator, which can be easily synchronized to high precision.
Abstract: A single, coaxial spark‐gap switch is used to initiate the functions of Q switching, actively mode locking, and cavity dumping of a ruby laser oscillator. These functions are shown to be easily synchronized to high precision. As a result, a single light pulse having an energy of 180 mJ and 400 ps duration, can be dumped from the cavity after only 100 ns delay with respect to the trigger pulse. Shot‐to‐shot jitter of ±50 ps (with respect to switch closure), and ±10% in energy is demonstrated.
8 citations
Abstract: Experiments are described which show that the observed near-field patterns of ruby lasers, and the gain variations over the aperture of ruby amplifiers, arise from competition between modes. The authors conclude that nonuniform spatial interaction between competing modes accounts for both the temporal (spiking) and spatial (near-field) output of ruby lasers.
8 citations
TL;DR: In this article, the 5p absorption spectrum of laser-excited atomic barium has been investigated in order to probe the changes in correlation between the 6s and 5d subshells.
Abstract: The 5p absorption spectrum of laser-excited atomic barium has been investigated in order to probe the changes in correlation between the 6s and 5d subshells. A pulsed tunable dye laser was used to populate the 6s5d states via the resonantly excited 6s6p 1P1 level. The 5p absorption spectrum between 50 and 85 nm was recorded at two different delay times, using as a pulsed continuum source a laser-generated plasma, formed by focusing a ruby laser onto a samarium target. The excited spectra show a very large number of new absorption features, most of them sharp but a few of them broad and quasimolecular in appearance.
8 citations