Risultati scientifici

Spectral characterization of integrated acousto-optic tunable filters by means of laser frequency modulation spectroscopy

Anno: 2006

Autori: Di Maio A., Salza M., Gagliardi G., Ferraro P., De Natale P.

Affiliazione autori: CNR – Istituto Nazionale di Ottica Applicata and European Laboratory for Non-Linear Spectroscopy, Comprensorio “A. Olivetti” Via Campi Flegrei 34, 80078 Pozzuoli, Napoli, Italy

Abstract: The spectral characteristics of an integrated acousto-optic tunable filter (AOTF) as well as its responsivity to the rf driving signal and sensitivity to temperature changes are experimentally investigated and quantified using a diode-laser-based interrogation system. A spectroscopic technique, exploiting the rf frequency modulation of the laser beam and the phase-sensitive detection of the AOTF transmission, has been used for this purpose. That allows for the generation of a dispersivelike signal, which serves as a reference for tracking any wavelength change of the filter

Giornale/Rivista: APPLIED OPTICS

Volume: 45 (36)      Da Pagina: 9176  A: 9181

Parole chiavi: Acoustooptical devices; Fiber Bragg gratings; Frequency modulation; Laser beams; Semiconductor lasers; Spectrum analyzers, Acoustooptic tunable filter (AOTF); Interrogation systems; Laser frequency modulation spectroscopy; Strain sensing, Optical filters
DOI: 10.1364/AO.45.009176

Citazioni: 3
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2022-01-23
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