| 单词 | ruby laser |
| 释义 | > as lemmasruby laser ruby laser n. a laser in which a ruby crystal is the working medium, generating pulses of red light.The first functional laser, in 1960, was a ruby laser. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > laser > [noun] laser1960 ruby laser1960 laser gun1961 injection laser1963 phaser1966 dye laser1967 excimer laser1973 laser pen1981 1959 Sci. News Let. 3 Jan. 7/2 A ruby maser was used for the first time this year with the 50-foot antenna at the Naval Research Laboratory, Washington.] 1960 N.Y. Times 14 Oct. 16/1 The output of the ruby laser is a deep red, close to the margin of visual light. 1990 Nursing 8 Feb. 34/1 The ruby laser is most suitable for removing blue/black tattoos. 1999 Cosmopolitan (U.K. ed.) June 295/3 (advt.) Lip advancement/reduction... Hair removal by ruby laser. 2001 R. W. Cahn Coming of Materials Sci. vii. 267 Old-fashioned pulsed ruby lasers have also been used for some years as production tools to ‘heal’ lattice damage. < as lemmas |
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