By G. Fanti
The purpose of this paintings is to summarise the $64000 contribution offered by way of Optics within the reviews of the TS (Turin Shroud) made in additional than a century of researches and checks. within the first part the very bizarre features of the TS are offered and mentioned exhibiting that in past times the double physique snapshot inspired on it's not but reproducible. a few physique photograph formation hypotheses are provided and they'll be established through additionally technique of optical potential successively mentioned. the second one and 3rd sections respectively current crucial optical researches performed some time past and within the found in connection with the Relic and the fourth part discusses a few attainable optical reports that are meant to be performed at the TS to unveil a few vague issues. it's also accounted for the conservation difficulties which are extremely important for the physique snapshot inspired within the linen fabric in a truly specific approach.
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Additional resources for The Turin Shroud: Optical Research in the Past, Present, and Future
Jackson (1984) showed that the transmittance, intensity and shading are a direct function of the spatial variation of reflectivity h. From Eq. 09 (a new linen has an reflectivity of about 58%). 0/1, thus the body image appears on a yellowed linen as a faint but darker yellow-brown discoloration being h the only characteristic which varies from point to point as to produce the pattern of a human body. 5) Optical Research: The Past 33 being (x, y) the coordinates of some image point and (x’, y’) the coordinates of the associated image on a body shape.
31. In the center a photograph of a person near the TS Face; the photo-relief technique (on the left) evidences the 3-D characteristics of the TS Face but not those of a normal face; the same conclusion can be achieved if the same photo is processed by means of VP-8 (on the right) (courtesy of A. Guerreschi). 11. THE POLARIZED IMAGE OVERLAY TECHNIQUE In 1985 (Whanger and Whanger) presented a new technique useful to compare the characteristics of different images: the two images in comparison are projected onto a suitable screen through polarizing filters and these superimposed images are then viewed through a third polarizing filter.
13. Spectral fluorescence with excitation at 365 nm of four TS body image areas (calf, finger, nose and heel) compared with the TS background (Gilbert, 1980, courtesy of AO). Pellicori (1980) made similar measurements using a 500 W tungsten that illuminated a sample of 1 cm2; he reported an approximate ±1% repeatability for the measurements and a spectral resolution of 17 nm reading out digitally at 20 nm intervals in the range of 440-700 nm. The two different results obtained by Pellicori and the Gilberts were compatible within a range of 5%.
The Turin Shroud: Optical Research in the Past, Present, and Future by G. Fanti