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. 2004 Apr;214(Pt 1):7-12.
doi: 10.1111/j.0022-2720.2004.01293.x.

Linear phase imaging using differential interference contrast microscopy

M R Arnison  1 , K G Larkin, C J R Sheppard, N I Smith, C J Cogswell
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Linear phase imaging using differential interference contrast microscopy

M R Arnison et al. J Microsc. 2004 Apr.

Abstract

We propose an extension to Nomarski differential interference contrast microscopy that enables isotropic linear phase imaging. The method combines phase shifting, two directions of shear and Fourier-space integration using a modified spiral phase transform. We simulated the method using a phantom object with spatially varying amplitude and phase. Simulated results show good agreement between the final phase image and the object phase, and demonstrate resistance to imaging noise.

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