Dual mode-locked swept sources for SS-OCT

Radu F. Stancu; Adrian Gh. Podoleanu

doi:10.1117/12.2212582

8 March 2016 Dual mode-locked swept sources for SS-OCT

Proceedings Volume 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX; 96972H (2016) https://doi.org/10.1117/12.2212582
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

A novel dual-mode-locking mechanism was developed in order to tune an akinetic swept source (AKSS) based on dispersive cavity at a repetition rate close to, but slightly different from the inverse of the cavity roundtrip. Several optical source configurations emitting in the 1060 nm or 1550 nm wavelength region were developed, characterized and tested in OCT applications. For the 1550 nm swept source employing a Faraday rotating mirror in a dispersive cavity, sweeping rates in the range of MHz were achieved, from 782 kHz to up to 5 times this value, with proportional decrease in the tuning bandwidth. Linewidths smaller than 60 pm and output powers exceeding a few mW were measured. The 1060 nm swept source implemented was used to generate OCT images of a pressure sensitive adhesive.

Citation Download Citation

Radu F. Stancu and Adrian Gh. Podoleanu "Dual mode-locked swept sources for SS-OCT", Proc. SPIE 9697, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XX, 96972H (8 March 2016); https://doi.org/10.1117/12.2212582

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