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"Chromatic polarization effects of swept
waveforms in FDML lasers and fiber spools" Wolfgang Wieser, Gesa Palte, Christoph M. Eigenwillig, Benjamin R. Biedermann, Tom Pfeiffer, and Robert HuberOptics Express, Vol. 20, Issue 9, pp. 9819-9832 (2012) Abstract: We present detailed investigations of chromatic polarization effects, caused by fiber spools used in FDML lasers and buffering spools for rapidly wavelength swept lasers. We introduce a novel wavelength swept FDML laser source, specially tailored for polarization sensitive optical coherence tomography (OCT) which switches between two different linear polarization states separated by 45°, i.e. 90° on the Poincaré sphere. The polarization maintaining laser cavity itself generates a stable linear polarization state and uses an external buffering technique in order to provide alternating polarization states for successive wavelength sweeps. The design of the setup is based on a comprehensive analysis of the polarization output from FDML lasers, using a novel 150 MHz polarization analyzer. We investigate the fiber polarization properties related to swept source OCT for different fiber delay topologies and analyze the polarization state of different FDML laser sources. BMO authors (in alphabetic order): Benjamin Biedermann Christoph Eigenwillig Robert Huber Gesa Palte Tom Pfeiffer 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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