Dr. Ralph Thoma Profile

Dr. Ralph Thoma

Manager at Agfa HealthCare NV

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Publications (2)

SPIE Journal Paper | 1 May 1995

All-optical nonlinear holographic correlation using bacteriorhodopsin films

Ralph Thoma, Michael Dratz, Norbert Hampp

OE, Vol. 34, Issue 05, (May 1995) https://doi.org/10.1117/12.10.1117/12.201654

KEYWORDS: Holography, Optical correlators, Holography applications, Absorption, Diffraction, Bandpass filters

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Proceedings Article | 2 March 1993 Paper

Real-time holographic pattern recognition with bacteriorhodopsin films

Norbert Hampp, Ralph Thoma, Christoph Braeuchle, Dieter Oesterhelt

Proceedings Volume 1732, (1993) https://doi.org/10.1117/12.140405

KEYWORDS: Holography, Holograms, Polarization, Optical correlators, Phase modulation, Light scattering, Fourier transforms, Signal to noise ratio, Pattern recognition, Holography applications

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