Title :
Precision measurement of refractive indices of the atmospheric gases using a frequency comb
Author :
Zhang, J. ; Lu, Z.H. ; Wang, L.J.
Author_Institution :
Inst. of Opt., Inf. & Photonics, Univ. Erlangen-Nuremberg, Erlangen
Abstract :
We report high precision refractive indices measurement of air and its constitute gases using an unbalanced Mach-Zehnder interferometer with frequency combs. Our experiments demonstrate sensitivities in levels of 10-9.
Keywords :
Mach-Zehnder interferometers; measurement by laser beam; refractive index measurement; atmospheric gas; frequency comb; precision measurement; refractive index measurement; unbalanced Mach-Zehnder interferometer; Atmospheric measurements; Frequency measurement; Gas lasers; Gases; Optical interferometry; Optical pumping; Optical refraction; Optical sensors; Optical variables control; Refractive index; (120.3180) Interferometry; (120.3940) Metrology;
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
