国际光学工程学会
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作者:... Suhas P. Veetil , Cheng Liu , JianQiang Zhu
来源:[J].Journal of Biomedical Optics(IF 2.881), 2017, Vol.22 (3), pp.036010-036010SPIE
摘要:A type of ptychography-based phase microscope was developed by integrating a spatial light modulator (SLM) into a commercial wide-field light microscope. By displaying a moving pattern on the SLM to change the sample illumination and record the diffraction intensities formed...
作者:... Liang Xue , Cheng Liu , Shouyu Wang
来源:[J].Journal of Biomedical Optics(IF 2.881), 2017, Vol.22 (8), pp.086012-086012SPIE
摘要:Massive image acquisition is required along the optical axis in the classical image-analysis-based autofocus method, which significantly decreases autofocus efficiency. A wavefront-sensing-based autofocus technique is proposed to increase the speed of autofocusing and obtain high...
作者:... Liang Xue , Shouyu Wang , Cheng Liu
来源:[J].Journal of Biomedical Optics(IF 2.881), 2018, Vol.23 (2), pp.026007-026007SPIE
摘要:A variable aperture-based ptychographical iterative engine (vaPIE) is demonstrated both numerically and experimentally to reconstruct the sample phase and amplitude rapidly. By adjusting the size of a tiny aperture under the illumination of a parallel light beam to change the ill...
作者:... Fei Liu , Cheng Liu , Shouyu Wang
来源:[J].Optical Engineering(IF 0.88), 2018, Vol.57 (6), pp.063102-063102SPIE
摘要:Dual-view transport of intensity equation (TIE) method is an ideal way for quantitative live cell imaging as it has advantages such as real-time imaging, multimode observations, compact setup, and large field of view (FoV). However, due to the image recorder installation error, t...
作者:... Xuan She , Xiaowu Shu , Cheng Liu
来源:[J].Optical Engineering(IF 0.88), 2018, Vol.57 (8), pp.087104-087104SPIE
摘要:The integrated optical chip (IOC) is one of the most critical parts of the interferometric fiber optic gyroscope (IFOG). Unfortunately, the integral implementation of the IOC has a number of undesirable effects, which includes the modulation phase error. The inflexible influence ...
作者:Cheng Liu , Suhas P. Veetil ...
来源:[J].Optical Engineering(IF 0.88), 2014, Vol.53 (8), pp.083101-083101SPIE
摘要:The image quality in off-axis digital holography (DH) is often degraded by inaccuracies in the reference wave used for reconstruction and the spatial filtering adopted to avoid twin images and zeroth order diffraction. To enhance the image quality in such cases, coherent diffract...
作者:... Xuan She , Xiaowu Shu , Cheng Liu
来源:[J].Optical Engineering(IF 0.88), 2016, Vol.55 (10), pp.106119-106119SPIE
摘要:The precise control of the thermal splicing temperature of ZBLAN fiber and silica fiber was guaranteed by theoretical simulation, analysis, and experimental optimization. The thermal splicing model was established, and optimized thermal splicing parameters were obtained based on ...
作者:... Xiaowu Shu , Shuangliang Che , Cheng Liu
来源:[J].Optical Engineering(IF 0.88), 2016, Vol.55 (12), pp.126106-126106SPIE
摘要:In an axial magnetic field (AMF), which is vertical to the plane of the fiber coil, a polarization-maintaining fiber optic gyro (PM-FOG) appears as an axial magnetic error. This error is linearly related to the intensity of an AMF, the radius of the fiber coil, and the light wave...

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