Sagnac-interferometry-based digital optical phase conjugation (DOPC) system for turbidity suppression

被引：0
|
作者：
Hillman, Timothy R. [1 ]
Park, YongKeun [1 ]
Yaqoob, Zahid [1 ]
Choi, Wonshik [1 ]
Fu, Dan [1 ]
Yamauchi, Toyohiko [1 ]
Dasari, Ramachandra R. [1 ]
Feld, Michael S. [1 ]
机构：
[1] MIT, George R Harrison Spect Lab, Cambridge, MA 02139 USA
来源：
THREE-DIMENSIONAL AND MULTIDIMENSIONAL MICROSCOPY: IMAGE ACQUISITION AND PROCESSING XVIII | 2011年 / 7904卷
关键词：
Optical phase conjugation; Digital phase conjugation; Turbidity suppression; Multiple scattering; Transmission matrix; Digital holography; Optical wave shaping; 2ND-HARMONIC RADIATION;
D O I：
10.1117/12.875918
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
Multiple scattering is a significant obstacle in the optical imaging of biological samples. However, it is possible to reverse its effects through optical phase conjugation (OPC) of the scattered field. We perform digital OPC (DOPC) utilizing a spatial light modulator (SLM) and a Sagnac interferometer geometry. This design permits a simple and robust DOPC implementation, which we demonstrate experimentally. We exploit the beam-shaping flexibility of the SLM to demonstrate the possibility to enhance either the optical power transmission or the light focusing ability of the DOPC process.
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页数：8
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