Angular selective light transmission characteristics of a grating optical filter **
The grating optical filters are investigated to determine the degree of impact of the geometric grating parameters on the angular characteristics of the light transmission. The filter consists of a plane-parallel transparent substrate with thin-layer gratings on two surfaces. The gratings are formed...
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| Language: | Russian |
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Don State Technical University
2015-03-01
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| Series: | Advanced Engineering Research |
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| Online Access: | https://www.vestnik-donstu.ru/jour/article/view/230 |
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| author | Rustam Sabirovich Zakirullin |
| author_facet | Rustam Sabirovich Zakirullin |
| author_sort | Rustam Sabirovich Zakirullin |
| collection | DOAJ |
| description | The grating optical filters are investigated to determine the degree of impact of the geometric grating parameters on the angular characteristics of the light transmission. The filter consists of a plane-parallel transparent substrate with thin-layer gratings on two surfaces. The gratings are formed by alternating transmitting and absorption bands. The relative position of two gratings provides angular selectivity of the light transmission. A graphic-analytical method is developed to determine the angular characteristic of the filter light transmission in the form of the dependence of the light transmission coefficient on the beams incidence angle. The effect of a filter characteristic angle (this angle determines a shift of the gratings on the input and output surfaces), fringe spacing (fringe spacing on each grating is equal to the total width of two adjacent alternating bands), and fringe ratio (relation of the fringe spacing of the input and output gratings) on the angular characteristics of the light transmission. The filter characteristics in the areas of decreasing and increasing transmittance are equidistant, linear, and symmetrical with respect to the characteristic angles of the filters in the range of the incidence angles from 0° up to 60°. At large incidence angles, equidistance, linearity, and symmetry of the characteristics are violated. The obtained regularities should be considered when determining the geometrical parameters of the filters satisfying the required for the specified glazed construction and the preset angular characteristics of the light transmission. It is advisable to apply the filter in the areas where the light transmission control is needed at the change of the beams incidence angle due to the movement of a light source and/or a glazed object relative to each other, especially in architectural glazing. |
| format | Article |
| id | doaj-art-e33ca85c02034da8abacfde2f977dc7a |
| institution | DOAJ |
| issn | 2687-1653 |
| language | Russian |
| publishDate | 2015-03-01 |
| publisher | Don State Technical University |
| record_format | Article |
| series | Advanced Engineering Research |
| spelling | doaj-art-e33ca85c02034da8abacfde2f977dc7a2025-08-20T02:59:31ZrusDon State Technical UniversityAdvanced Engineering Research2687-16532015-03-01151546110.12737/10387230Angular selective light transmission characteristics of a grating optical filter **Rustam Sabirovich Zakirullin0Orenburg State University, Orenburg, Russian FederationThe grating optical filters are investigated to determine the degree of impact of the geometric grating parameters on the angular characteristics of the light transmission. The filter consists of a plane-parallel transparent substrate with thin-layer gratings on two surfaces. The gratings are formed by alternating transmitting and absorption bands. The relative position of two gratings provides angular selectivity of the light transmission. A graphic-analytical method is developed to determine the angular characteristic of the filter light transmission in the form of the dependence of the light transmission coefficient on the beams incidence angle. The effect of a filter characteristic angle (this angle determines a shift of the gratings on the input and output surfaces), fringe spacing (fringe spacing on each grating is equal to the total width of two adjacent alternating bands), and fringe ratio (relation of the fringe spacing of the input and output gratings) on the angular characteristics of the light transmission. The filter characteristics in the areas of decreasing and increasing transmittance are equidistant, linear, and symmetrical with respect to the characteristic angles of the filters in the range of the incidence angles from 0° up to 60°. At large incidence angles, equidistance, linearity, and symmetry of the characteristics are violated. The obtained regularities should be considered when determining the geometrical parameters of the filters satisfying the required for the specified glazed construction and the preset angular characteristics of the light transmission. It is advisable to apply the filter in the areas where the light transmission control is needed at the change of the beams incidence angle due to the movement of a light source and/or a glazed object relative to each other, especially in architectural glazing.https://www.vestnik-donstu.ru/jour/article/view/230оптический фильтррешетка с чередующимися полосамиграфоаналитический расчетугловая характеристика светопропусканияoptical filtergrating with alternating bandsgraphic-analytical calculationangular characteristic of light transmission |
| spellingShingle | Rustam Sabirovich Zakirullin Angular selective light transmission characteristics of a grating optical filter ** Advanced Engineering Research оптический фильтр решетка с чередующимися полосами графоаналитический расчет угловая характеристика светопропускания optical filter grating with alternating bands graphic-analytical calculation angular characteristic of light transmission |
| title | Angular selective light transmission characteristics of a grating optical filter ** |
| title_full | Angular selective light transmission characteristics of a grating optical filter ** |
| title_fullStr | Angular selective light transmission characteristics of a grating optical filter ** |
| title_full_unstemmed | Angular selective light transmission characteristics of a grating optical filter ** |
| title_short | Angular selective light transmission characteristics of a grating optical filter ** |
| title_sort | angular selective light transmission characteristics of a grating optical filter |
| topic | оптический фильтр решетка с чередующимися полосами графоаналитический расчет угловая характеристика светопропускания optical filter grating with alternating bands graphic-analytical calculation angular characteristic of light transmission |
| url | https://www.vestnik-donstu.ru/jour/article/view/230 |
| work_keys_str_mv | AT rustamsabirovichzakirullin angularselectivelighttransmissioncharacteristicsofagratingopticalfilter |