Flight qualification of a diode laser for path difference determination of a high-resolution Fourier transform spectrometer

Year: 2000

Authors: Bianchini G., Lanfranchi M., Cortesi U.

Autors Affiliation: Istituto di Ricerca sulle Onde Elettromagnetiche, Consiglio Nazionale delle Ricerche, Via Panciatichi 64, Firenze, 50127, Italy

Abstract: Diode lasers offer a lightweight, rugged, and economic alternative to other types of laser source, but they often do not provide long-term stability and spectral purity of emission. We have developed a stabilized, near-infrared diode laser source that is capable of as much as 20 mW of single-mode output power for the effective replacement of a He-Ne laser in the path difference measuring system of a high-resolution (1.25-m maximum path difference) Fourier transform spectrometer. Laser characterization has been performed both in laboratory measurements and in flight tests, resulting in a relative frequency stability of better than 10-6 on a 6-h flight.

Journal/Review: APPLIED OPTICS

Volume: 39 (6)      Pages from: 962  to: 965

KeyWords: Radiance; Spectroscopy; Spectral resolution
DOI: 10.1364/AO.39.000962

Citations: 12
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