单词	picosecond
释义	picosecond noun pi·​co·​sec·​ond ˌpē-kō-ˈse-kənd  -kənt : one trillionth of a second Example Sentences Recent Examples on the Web Rapid switching is possible in principle (the laser should be able to switch in picoseconds), but that still has to be done in practice. Chris Lee, Ars Technica, 17 May 2020 Lasers that generate picosecond pulses with average powers of 50W are not that hard to obtain. Chris Lee, Ars Technica, 30 Aug. 2019 Ytterbium is highly stable, so ytterbium atomic clocks are accurate past the nanosecond scale, all the way to the picosecond and femtosecond scale (1/1,000,000,000,000,000th of a second). Avery Thompson, Popular Mechanics, 28 Nov. 2016 The result is that a pulse generator with a 14-bit digital-to-analog converter and a temporal resolution of 1 nanosecond can change the timing between the centers of pulses by just a picosecond or so. Chris Lee, Ars Technica, 25 Jan. 2018 This has been the biggest breakthrough for laser technology in 20 years as the picoseconds release their energy in one trillionth of a second, breaking up the bonds of the tattoo ink into very fine particles. Nazanin Saedi, M.d., Philly.com, 11 Oct. 2017 In recent years, a variety of picosecond lasers have become commercially available. Nazanin Saedi, M.d., Philly.com, 11 Oct. 2017 The whole process, the paper claims, happens in less than 5 picoseconds, or 5 trillionths of a second. Caleb Garling, WIRED, 8 Feb. 2012 See More Word History Etymology International Scientific Vocabulary First Known Use circa 1962, in the meaning defined above Medical Definition picosecond noun pi·​co·​sec·​ond ˈpē-kō-ˌsek-ənd, -ənt  : one trillionth of a second —abbreviation ps
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