Title :
A distance meter using a sub-terahertz intermode beat in an optical frequency comb
Author :
Yokoyama, Shuko ; Hagihara, Yuki ; Yasui, Takeshi ; Araki, Tsutomu
Author_Institution :
Grad. Sch. of Eng. Sci., Osaka Univ., Toyonaka
Abstract :
The authors proposed a novel method of phase measurement of terahertz intermode beat in optical frequency comb, to enhance the dynamic-range of distance meter. Utilizing nonlinear optical process, distance measurement with 130 GHz equivalent frequency was realized.
Keywords :
distance measurement; high-speed optical techniques; nonlinear optics; phase measurement; distance measurement; distance meter; frequency 130 GHz; nonlinear optical process; optical frequency comb; phase measurement; subterahertz intermode beat; Distance measurement; Frequency measurement; Hydrogen; Nonlinear optics; Optical frequency conversion; Optical mixing; Phase measurement; Stimulated emission; Ultrafast optics; Wavelength measurement; (120.3940) Metrology; (120.5050) Phase measurement;
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