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REGULATION and MECHANISM OF PLATELET AGGREGATION (1972)

Booyse, Francois M. ; Rafelson, Max E.

Oxford, UK : Blackwell Publishing Ltd

Annals of the New York Academy of Sciences 201 (1972), S. 0

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ISSN: 1749-6632

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Natural Sciences in General

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1749-6632.1972.tb16286.x

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Determination of coherence length from speckle contrast on a rough surface (1971)

Dändliker, René ; Mottier, François M.

Springer

Zeitschrift für angewandte Mathematik und Physik 22 (1971), S. 369-381

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ISSN: 1420-9039

Source: Springer Online Journal Archives 1860-2000

Topics: Mathematics , Physics

Notes: Conclusions The speckle pattern in the image of a diffusely scattering plane surface illuminated by two mutually inclined quasi plane waves split from a common laser source gives a direct display of the coherence properties of that light source. This can be used as a simple device to check the coherence of a laser source for holographic or interferometric work. The speckle contrast is a linear function of the square modulus of the degree of coherence. This relation has been proved experimentally for coherent and for incoherent laser radiation. The main difference of the intensity distributions for coherent and incoherent illumination occurs at low intensities, which have maximum probability in the coherent and minimum probability in the incoherent case. The intensity probability distributions have been determined experimentally for two limiting cases. Within the experimental limitations they show very good agreement with the theoretical predictions.