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"Intrasweep phase-sensitive optical coherence tomography for noncontact optical photoacoustic imaging" Cedric Blatter, Branislav Grajciar, Pu Zou, Wolfgang Wieser, Aart-Jan Verhoef, Robert Huber, and Rainer A. LeitgebOptics Letters, Vol. 37, Issue 21, pp. 4368-4370 (2012) Abstract: We introduce a method to extract the photoacoustic (PA) signal from the phase time evolution of an optical coherence tomography (OCT) swept source spectral sweep. This all-optical detection is achieved in a noncontact fashion directly on the sample surface by using its specular reflection. High-speed measurement and referencing allow for close to shot noise limited phase-sensitive detection. It offers a simple way to perform OCT and PA imaging by sharing the same system components. BMO authors (in alphabetic order): Robert Huber 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 |