期刊
OPTICS LETTERS
卷 41, 期 13, 页码 3134-3137出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.41.003134
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资金
- Defense Sciences Office, DARPA (DSO, DARPA) [W911NF-11-1-0202]
- European Space Agency (ESA) [ESTECCN 4000105962/12/NL/PA]
- Schweizerischer Nationalfonds zur Forderung der Wissenschaftlichen Forschung (SNF)
- Marie Curie, FP7 [291771]
Frequency-comb-assisted diode laser spectroscopy, employing both the accuracy of an optical frequency comb and the broad wavelength tuning range of a tunable diode laser, has been widely used in many applications. In this Letter, we present a novel method using cascaded frequency agile diode lasers, which allows us to extend the measurement bandwidth to 37.4 THz (1355-1630 nm) at megahertz resolution with scanning speeds above 1 THz/s. It is demonstrated as a useful tool to characterize a broadband spectrum for molecular spectroscopy, and in particular it enables us to characterize the dispersion of integrated microresonators up to the 4th-order. (C) 2016 Optical Society of America
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