Interferometric phase microscopy (IPM) is an optical technique for quantitative three-dimensional imaging, which is completely label free. Till recently, however, IPM could not be implemented outside of the optical lab due to the setup bulkiness, non-portability and the requirement for specific optical skills to align and use it. I will present our latest technological advances in developing compact IPM systems for wave-front sensing in field conditions, making this technique affordable and acceptable for inspection of small particles and bacteria in water.
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