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The active laser medium (laser gain/amplification medium) is a gas discharge which is air- or water-cooled, depending on the power being applied. The filling gas within a sealed discharge tube consists of around 10–20% carbon dioxide (CO 2), around 10–20% nitrogen (N 2), a few percent hydrogen (H 2) and/or xenon (Xe), with the remainder ...
A copper vapor laser (CVL) uses vapors of copper as the lasing medium in a 4-level laser. [1] It produces green laser light at 510.6 nm and yellow laser light at 578.2 nm. The pulse width is typically from 5 to 60 ns, and peak power from 50 to 5000 kW. Its pulse repetition frequencies can be 2 to 100 kHz.
ctsc.org.za. The Cape Town Science Centre is a not-for-profit [1] science centre in Cape Town, South Africa. It forms part of a wide range of non-classroom initiatives to improve the quality of science understanding and science literacy in South Africa. Until early 2010, the MTN Sciencentre was located in the Canal Walk shopping mall. [2]
A krypton laser is an ion laser using ions of the noble gas krypton as its gain medium.The laser pumping is done by an electrical discharge.Krypton lasers are widely used in scientific research, and in commercial uses, when the krypton is mixed with argon, it creates a "white-light" lasers, useful for laser light shows.
A carbon-dioxide laser. Carbon dioxide is the lasing medium in a carbon-dioxide laser, which is one of the earliest type of lasers. Carbon dioxide can be used as a means of controlling the pH of swimming pools, [138] by continuously adding gas to the water, thus keeping the pH from rising. Among the advantages of this is the avoidance of ...
A gas laser is a laser in which an electric current is discharged through a gas to produce coherent light. The gas laser was the first continuous-light laser and the first laser to operate on the principle of converting electrical energy to a laser light output. The first gas laser, the Helium–neon laser (HeNe), was co-invented by Iranian ...