All-fiber absolute interferometric sensor by a DFB frequency-modulated source

Letizia De Maria; Cristina Mariottini; Mario Martinelli

doi:10.1117/12.20302

1 August 1990 All-fiber absolute interferometric sensor by a DFB frequency-modulated source

Letizia De Maria, Cristina Mariottini, Mario Martinelli

Proceedings Volume 1267, Fiber Optic Sensors IV; (1990) https://doi.org/10.1117/12.20302
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

A pigtailed DFB source operating at 1520 NM feeds an all-fiber interferometric scheme to obtain absolute measurements. The frequency modulation of the source is in-line controlled by means of an all-fiber ring resonator. The sensor was realized by all-fiber components and it was designed with a multisensing capability. The extremely narrow emitting-line of the DFB enphasizes the resolution features of the scheme. The precision figure is also reported on the basis of the first experiniental data.

Citation Download Citation

Letizia De Maria, Cristina Mariottini, and Mario Martinelli "All-fiber absolute interferometric sensor by a DFB frequency-modulated source", Proc. SPIE 1267, Fiber Optic Sensors IV, (1 August 1990); https://doi.org/10.1117/12.20302

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