NDLI: All-cavity-driven cw ringdown spectrometer with regulation of intracavity Doppler frequency shifts

Content Provider	IEEE Xplore Digital Library
Author	Jae Yong Lee Yong Shim Yoo Eun Seong Lee
Copyright Year	2007
Description	Author affiliation: Korea Res. Inst. of Stand. & Sci., Daejeon (Jae Yong Lee; Yong Shim Yoo; Eun Seong Lee)
Abstract	This paper presents a new design of all-cavity-driven cw-CRDS to minimize the problem of cavity Doppler shift, as well as a firm theoretical background for the ringdown signal formation. The cavity output signal is modeled analytically, and a close inspection of the resulting expression reveals the clear evidence for the absence of intensity modulation. The intracavity Doppler shift is shown to occur only within the duration of cavity length excursion, terminating before the onset of a ringdown transient. Thus the only spectral influence is expected to be the frequency shift of an absorption feature, preserving its lineshape. The amount of frequency shift is shown to be determined by the cavity excursion distance, which directly indicates the condition required for the minimal Doppler shift.
Starting Page	1
Ending Page	1
File Size	794312
Page Count	1
File Format	PDF
ISBN	9781424409303
DOI	10.1109/CLEOE-IQEC.2007.4386382
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-17
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Doppler shift Spectroscopy Laser theory Absorption Wavelength measurement Ring lasers Frequency conversion Resonance Optical coupling Probes
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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