Laser microscope using phase-conjugate reconstruction from a            photorefractive hologram

Philip S. Brody; Charles G. Garvin; Arthur W. Gillman; Lian Shentu

doi:10.1117/12.34809

1 July 1990 Laser microscope using phase-conjugate reconstruction from a photorefractive hologram

Philip S. Brody, Charles G. Garvin, Arthur W. Gillman, Lian Shentu

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.34809
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

Abstract

We describe a real-time laser holographic microscope which uses a photorefractive hologram and digital signal processing. The new microscope produces high-contrast images ofeven weak phase subjects. A pSeUdO-three-dimensiOnal image type is produced which shows phase gradients like those of"modulation contrast" or "differential interference contrast" Mother image type shows phase retardation in a more direct way, as in conventional "phase contrast." Still another type shows images of moving phase elements in a field while rejecting stationary ones.

Citation Download Citation

Philip S. Brody, Charles G. Garvin, Arthur W. Gillman, and Lian Shentu "Laser microscope using phase-conjugate reconstruction from a photorefractive hologram", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.34809

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