Polarized light imaging of birefringence and diattenuation at high resolution and high sensitivity.

Polarized light imaging of birefringence and diattenuation at high resolution and high sensitivity.
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DOI:
10.1088/2040-8978/15/9/094007
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发表时间:
2013-09-01
期刊:
Journal of optics (2010)
影响因子:
--
通讯作者:
Oldenbourg R
Oldenbourg R
中科院分区:
其他
文献类型:
--
作者:
Mehta SB;Shribak M;Oldenbourg R

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Polarized light microscopy provides unique opportunities for analyzing the molecular order in man-made and natural materials, including biological structures inside living cells, tissues, and whole organisms. 20 years ago, the LC-PolScope was introduced as a modern version of the traditional polarizing microscope enhanced by liquid crystal devices for the control of polarization, and by electronic imaging and digital image processing for fast and comprehensive image acquisition and analysis. The LCPolScope is commonly used for birefringence imaging, analyzing the spatial and temporal variations of the differential phase delay in ordered and transparent materials. Here we describe an alternative use of the LC-PolScope for imaging the polarization dependent transmittance of dichroic materials. We explain the minor changes needed to convert the instrument between the two imaging modes, discuss the relationship between the quantities measured with either instrument, and touch on the physical connection between refractive index, birefringence, transmittance, diattenuation, and dichroism.
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