ruby laser


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ruby laser

n.
A laser that uses a ruby crystal to produce an intense narrow beam of coherent red light, used in light-transmission communication and for localized heating.
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It is a non-contact and non-destructive method which uses a Q-switched double-pulsed ruby laser. In this method, a pulse length of f ns is combined with an electronic sub miniature force sensor for pulse triggering that is initiated by the masticatory force of the patient.
Q-switched lasers include the Q-switched ruby laser (694 nm), Q-switched neodymium-doped yttrium-aluminum-garnet (Nd:YAG) (532 nm and 1 064 nm) and Q-switched alexandrite laser (755 nm).
One year later, the first laser applications in the field of dentistry were performed with the use of ruby laser on the hard tissues (1).
The various lasers that have been used for the treatment of Becker's nevus include Q-switched ruby laser (694 nm), Er:YAG laser (2940 nm), Q-switched Nd:YAG laser, long-pulsed alexandrite laser (755-nm) and combination of long-pulsed 1064-nm Nd:YAG laser and 1550-nm Er-doped non-ablative fractional laser in a sequential manner.4-7 Advice on cosmetic camouflage can also be helpful.
Together with Fred Unterseher, her husband, she started to record holograms using a pulsed ruby laser, first in Germany and later in California.
At this time I had been experimenting on stimulated Raman scattering (SRS) in liquids pumped by a ruby laser and was puzzling over a strange result when I focused the ruby laser beam into a 10 cm long cell of liquid.
1967 - American physicist and engineer Theodore Maiman is granted a US patent for the ruby laser.
QUALITY-SWITCHED (QS) LASER THERAPY with a ruby laser and topical triple-combination therapy (TCT) were similarly effective in lightening solar lentigines, based on data from a prospective, open-label study of 15 adults.
The latest laser technology it employs includes a Q Switched Ruby Laser, the revolutionary Regenlite Laser, the Gentlase, Alexandrite laser and NDYAG Laser Systems.
In 1964, Ralph Stern and Reidar Sognnaes used the ruby laser to vaporise enamel and dentine.