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Das Grubenorgan, ein biologisches System zur Abbildung von Infrarotstrahlern

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Abstract

The facial pits of pit vipers are suited for thermal imaging. The difference of radiance between radiator and background necessary for evoking a reaction of the viper is 0.1 mW/cm2 for one pit; this corresponds to a difference of temperature of 0.3 to 0.4° C. The image formation of radiators on the membrane is similar to that of a pinhole camera. A point by point seperation on the membrane can't be achieved; however a point seperation by nervous processing is conceivable. The spatial cut-off frequency of image formation is 0.5 mm−1.

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Otto, J. Das Grubenorgan, ein biologisches System zur Abbildung von Infrarotstrahlern. Kybernetik 10, 103–106 (1972). https://doi.org/10.1007/BF00292235

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  • DOI: https://doi.org/10.1007/BF00292235

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