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"High-power FDML laser for swept source-OCT at 1060 nm" Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Kevin Hsu, Bernd Sumpf; Karl-Heinz Hasler, Götz Erbert, Ole B. Jensen, Christian Pedersen, Robert Huber, Peter E. AndersenBIOPHOTONICS: PHOTONIC SOLUTIONS FOR BETTER HEALTH CARE II (Proceedings of SPIE) Abstract: We present a novel frequency-swept light source working at 1060nm that utilizes a tapered amplifier as gain medium. These devices feature significantly higher saturation power than conventional semiconductor optical amplifiers and can thus improve the limited output power of swept sources in this wavelength range. We demonstrate that a tapered amplifier can be integrated into a fiber-based swept source and allows for high-speed FDML operation. The developed light source operates at a sweep rate of 116kHz with an effective average output power in excess of 30mW. With a total sweep range of 70 nm an axial resolution of 15 μm in air (~11μm in tissue) for OCT applications can be achieved. BMO authors (in alphabetic order): Benjamin Biedermann Robert Huber Masih Kalantari Thomas Klein Wolfgang Wieser Assoziierte Projekte: Optical Coherent Ranging and Optical Coherence Tomography (OCT): Imaging and profilometry with rapidly frequency swept laser sources Fourier Domain Mode Locking (FDML): Spectral mode locking in optics and applications  WWW-Version |
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Letzte Änderung: 2016-09-14 13:34
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