photographic fixing

photographic fixing

[¦fōd·ə¦graf·ik ′fiks·iŋ]
(graphic arts)
The process by which the unexposed and unreduced silver halide in a negative is removed in an exposed film; sodium thiosulfate (hypo) is the chemical usually used.
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The film that records the interference fringe becomes a hologram, or called holographic photo after image development, photographic fixing and other processing procedures; the second step is to reproduce the light wave information of the object by using the principle of diffraction, which is the imaging process: the holographic image is like a complex grating, and a diffracted light wave of a linearly recorded sinusoidal hologram generally gives two images under the coherent laser illumination, namely, the original image (also known as the initial image) and the conjugate image.
WIMI Hologram AR's Holographic Cloud System Turns Sci-Fi Into Reality
The workers at the North Staffordshire Royal Infirmary in Stoke-on-Trent were left with breathing difficulties after the leak of 25 litres of photographic fixing fluid in the mammography department.
Hospital leak alert

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