Title :
Advanced length metrology exploiting the frequency comb of a femtosecond Laser
Author :
Kim, Young-Jin ; Jin, Jonghan ; Kim, Yunseok ; Hyun, Sangwon ; Kim, Seung-Woo
Author_Institution :
Billionth Uncertainty Precision Eng. Group, Korea Adv. Inst. of Sci. & Technol., Daejeon
Abstract :
The frequency comb of a femtosecond laser is exploited as the wavelength ruler for length metrology. This permits absolute distances to be precisely measured with uncertainty directly traceable to the atomic clock of time standard.
Keywords :
atomic clocks; distance measurement; high-speed optical techniques; laser mode locking; measurement by laser beam; measurement uncertainty; advanced length metrology; atomic clock; femtosecond laser; frequency comb; wavelength ruler; Distance measurement; Frequency; Laser mode locking; Laser modes; Metrology; Nonlinear optics; Optical interferometry; Optical refraction; Ultrafast optics; Wavelength measurement; (120.3180) Interferometry; (120.3930) Metrological instrumentation; (120.4800) Optical standards and testing; (140.3600) Lasers, tunable; (140.4050) Mode-locked lasers; (320.7090) Ultrafast lasers;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
