Characterization of a fibre optic swept laser source at 1 &#956;m for optical coherence tomography imaging systems

Irina Trifanov; Liviu Neagu; Adrian Bradu; Antonio Lobo Ribeiro; Adrian Gh. Podoleanu

doi:10.1117/12.874771

11 February 2011 Characterization of a fibre optic swept laser source at 1 μm for optical coherence tomography imaging systems

Irina Trifanov, Liviu Neagu, Adrian Bradu, Antonio Lobo Ribeiro, Adrian Gh. Podoleanu

Author Affiliations +

Proceedings Volume 7889, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XV; 78892T (2011) https://doi.org/10.1117/12.874771
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

We report the development of a swept wavelength laser at 1 micron based on a linear cavity fibre configuration with an intra-cavity half symmetrical confocal Fabry-Perot tunable filter and a semiconductor optical amplifier as a gain medium. The performances of the source in terms of parameters like: sweep repetition rate (1-20 kHz), center wavelength (1065 nm), wavelength scanning range (max. 50nm), instantaneous line-width (<0.1nm) and a boosted output power of around 40 mW are demonstrated. The new source tested on an OCT system is exhibiting sufficient linearity in wave-number (k-space) at 1 kHz repetition rate; therefore no k-trigger, or wavelength rescaling process was needed.

Citation Download Citation

Irina Trifanov, Liviu Neagu, Adrian Bradu, Antonio Lobo Ribeiro, and Adrian Gh. Podoleanu "Characterization of a fibre optic swept laser source at 1 μm for optical coherence tomography imaging systems", Proc. SPIE 7889, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XV, 78892T (11 February 2011); https://doi.org/10.1117/12.874771

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