Recently there is growing interest to impart individuality and create comfort in premises by wall painting. Proceeding from such the need, we are designing an amateur portable projection device that will allow drawing an image of any complexity on the walls to any person, even if he has absolutely no experience in this matter. The features of the developed device in comparison with the existing projection systems are as follows: 1) a small size (a high degree of compactness); 2) the ease-to-use device; 3) a low cost of the device. Such a compact and relatively inexpensive projection-illumination device will occupy one of the important niches in the design field. In the article several known variants of the structural schemes of the projection device are considered. We propose our own solutions to the functional problem, based on the terms of the technical assignment. Also, the choice of the radiation source is explained and an approximate overall calculation of the lighting part is made with subsequent conclusions. The research of the developed amateur portable projection device application in various types of premises and at various illuminations is carried out. In addition, in the article a possibility of modeling and calculating the illumination of the transparent object by using of various CAE software is considered.
The Student Research Laboratory for Optical Engineering was founded in 2014 at the Dept. of Applied and Computer Optics in ITMO University. Students there work on various optical, design, lighting and technological projects and find like-minded team for creating of coworking-groups in the student laboratory. It is highly difficult to provide practicaloriented activity in the laboratory without the use of elementary optical elements, which are supposed to be components of educational projects and activities. The review of traditional approaches for production of optical elements showed that currently there are no technologies in the optical industry, capable of solving this problem. The produced optical components must meet following requirements: a). to be capable to visualize optical elements work principles; b). to be produced rapid and laborless; c). to be affordable for students. This paper presents results of the experimental work, the technological process and the obtained elements characteristics, which were produced in two different ways. The optical elements angles were measured by goniometer and compared with preset tolerances.
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