Accurate optical frequency-interval measurement by use of nonresonant frequency comb generation


Barr, J.R.M., Liang, G.Y. and Phillips, M.W. (1993) Accurate optical frequency-interval measurement by use of nonresonant frequency comb generation. Optics Letters, 18, (12), 1010-1012. (doi:10.1364/OL.18.001010).

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Description/Abstract

A novel technique for measuring the separation of widely spaced optical frequencies is demonstrated. It relies on frequency comb generation by use of a laser that incorporates a frequency-shifting element. A Nd:YLF laser is used to produce a frequency comb that has a bandwidth of 140 GHz and that contains in excess of 875 discrete frequencies, accurately spaced by 160 MHz. The longitudinal mode spacing of a dual-frequency laser was measured to an accuracy of ±5 kHz in 3,733,440.0 kHz by use of the technique described here.

Item Type: Article
ISSNs: 0146-9592 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78473
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:59
URI: http://eprints.soton.ac.uk/id/eprint/78473

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