학술논문
Simultaneous line center and linewidth measurement using dual frequency modulation spectroscopy
Document Type
Author abstract
Report
Report
Source
Applied Optics. Oct 10, 2010, Vol. 49 Issue 29, p5528, 9 p.
Subject
Language
English
ISSN
1559-128X
Abstract
We propose a method to simultaneously measure the center frequency of a spectral feature and the frequency linewidth of the feature. The method relies on dual frequency modulation of a carrier frequency, which probes the spectral feature, and phase sensitive detection of the transmitted signal at the two modulation frequencies. The detected signals provide two servo-stabilization signals for frequency control of the carrier frequency to the resonance line center and one of the modulation frequencies to the resonance linewidth. [c] 2010 Optical Society of America OCIS codes: 120.6200, 300.6310, 300.6380.