We demonstrate a non-invasive bright field imaging technique that optically enhances contrast for any weakly absorbing object. Results are shown on microscopic biomaterial. All-optical image processing and other filtering capabilities are discussed.
© 2011 OSA
N. C. Pégard and J. W. Fleischer, "Contrast Enhancement by Multi-Pass Phase-Conjugation Microscopy," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CThW6.
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