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Molecules. 2018 Aug 17;23(8). pii: E2064. doi: 10.3390/molecules23082064.

Gelatin as a Photosensitive Material.

Author information

1
Research Department, Centro de Investigaciones en Optica, Loma del Bosque 115, Leon 37150, Mexico. scalixto@cio.mx.
2
Department of Solid State Electronics, Ioffe Institute, 194020 St. Petersburg, Russia. nina.holo@mail.ioffe.ru.
3
Institute of Physics, Nanotechnology and Telecommunications, Peter the Great St. Petersburg Polytechnic University, 195251 St. Petersburg, Russia. Gulyaev@rphf.spbstu.ru.
4
Departamento de Ingenierias Quimica, Electrónica y Biomedica, Division de Ciencias e Ingenierias, Universidad de Guanajuato Campus Leon, Loma del Bosque 103, Leon 37150, Mexico. sfigueroa@ugto.mx.

Abstract

Because this issue journal is dedicated to Gelatin, here we present a few applications of gelatin in the field of optics. Optics is the science that studies the production, propagation, interaction and detection of light. Various materials sensitive to light (photosensitive) are used for detection of light, such as photomultipliers, CCDs, crystals, two dimensional (2D) materials and more. Among the 2D materials, the most popular for several centuries has been gelatin based photographic emulsion, which records spatial distributions of light. More recently (1970), films made of Gelatin with Dichromate (DCG) and dyes have been used. We describe some characteristics and applications of these two photosensitive materials. We also describe examples where gelatin is used as a Relative Humidity (RH) sensor and in the fabrication of optical elements based on gelatin. This article is intended for researchers outside the optics community.

KEYWORDS:

Weigert effect; dichromated gelatin; diffraction efficiency; dyed gelatin; gelatin; holographic structures; photodestruction; photosensitive materials; selective tanning; short-wave UV radiation; silver halide photographic emulsion

PMID:
30126123
DOI:
10.3390/molecules23082064
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