Fully automated 1.5 MHz FDML laser with more than 100mW output power at 1310 nm

Wolfgang Wieser; Thomas Klein; Wolfgang Draxinger; Robert Huber

doi:10.1117/12.2183431

9 July 2015 Fully automated 1.5 MHz FDML laser with more than 100mW output power at 1310 nm

Wolfgang Wieser, Thomas Klein, Wolfgang Draxinger, Robert Huber

Proceedings Volume 9541, Optical Coherence Imaging Techniques and Imaging in Scattering Media; 954116 (2015) https://doi.org/10.1117/12.2183431
Event: European Conferences on Biomedical Optics, 2015, Munich, Germany

Abstract

While FDML lasers with MHz sweep speeds have been presented five years ago, these devices have required manual control for startup and operation. Here, we present a fully self-starting and continuously regulated FDML laser with a sweep rate of 1.5 MHz. The laser operates over a sweep range of 115 nm centered at 1315 nm, and provides very high average output power of more than 100 mW. We characterize the laser performance, roll-off, coherence length and investigate the wavelength and phase stability of the laser output under changing environmental conditions. The high output power allows optical coherence tomography (OCT) imaging with an OCT sensitivity of 108 dB at 1.5 MHz.

Citation Download Citation

Wolfgang Wieser, Thomas Klein, Wolfgang Draxinger, and Robert Huber "Fully automated 1.5 MHz FDML laser with more than 100mW output power at 1310 nm", Proc. SPIE 9541, Optical Coherence Imaging Techniques and Imaging in Scattering Media, 954116 (9 July 2015); https://doi.org/10.1117/12.2183431

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