Full-field birefringence imaging by thermal-light polarization-sensitive optical coherence tomography II Instrument and results
Applied Optics(2003)
摘要
We describe an instrument for measuring the magnitude of birefringence of tomographic images and the principal directions of axes that uses thermal-light polarization-sensitive optical coherence tomography. The instrument permits full-field measurements with an axial resolution of 1.5 μm and a transverse resolution limited by diffraction. We obtained a sensitivity of 84 dB, limited by shot noise, when we integrated the signal for 1 s. We verified the validity of the measurement by measuring the birefringence of a variable phase shifter. We present typical results obtained with optical samples.
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关键词
Optical Coherence Tomography,Photoacoustic Imaging
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