{"id":548,"date":"2019-10-03T16:36:47","date_gmt":"2019-10-03T13:36:47","guid":{"rendered":"http:\/\/modinst.lu.lv\/pakalpojums\/apgaismojuma-sistemas\/"},"modified":"2021-02-11T12:51:13","modified_gmt":"2021-02-11T10:51:13","slug":"apgaismojuma-sistemas","status":"publish","type":"portfolio","link":"https:\/\/modinst.lu.lv\/en\/pakalpojums\/apgaismojuma-sistemas\/","title":{"rendered":"Illumination Systems"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_one_third  avia-builder-el-first   container_wrap fullsize'  >\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k1ap8qrb-6c5a37323ec2ab50c8cf100459ab31a8\">\n#top #wrap_all .avia-slideshow .av-slideshow-caption.av-k1ap8qrb-6c5a37323ec2ab50c8cf100459ab31a8__0 .avia-caption-title{\nfont-size:40px;\n}\n<\/style>\n<div  class='avia-slideshow av-k1ap8qrb-6c5a37323ec2ab50c8cf100459ab31a8 avia-slideshow-featured av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-k1ap8qrb-6c5a37323ec2ab50c8cf100459ab31a8__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><div class='av-slideshow-caption av-k1ap8qrb-6c5a37323ec2ab50c8cf100459ab31a8__0 caption_fullwidth caption_left caption_left_framed caption_framed'><div class=\"container caption_container\"><div class=\"slideshow_caption\"><div class=\"slideshow_inner_caption\"><div class=\"slideshow_align_caption\"><h2 class='avia-caption-title '  itemprop=\"name\" >Illumination Systems<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-288 avia-img-lazy-loading-not-288\"  src=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/06_illumination_systems-1500x430.jpg\" width=\"1500\" height=\"430\" title='Illumination Systems' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-548'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-43dzw-5f07ddf63ce90020e03be11d881b717a\">\n.flex_column.av-43dzw-5f07ddf63ce90020e03be11d881b717a{\nborder-radius:0px 0px 0px 0px;\npadding:12px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-43dzw-5f07ddf63ce90020e03be11d881b717a av_one_third  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_two_third  avia-builder-el-first  first flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5r5ujb5-041e9b0aef99f62a33d857889fba0b2a\">\n#top .av-special-heading.av-k5r5ujb5-041e9b0aef99f62a33d857889fba0b2a{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-k5r5ujb5-041e9b0aef99f62a33d857889fba0b2a .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5r5ujb5-041e9b0aef99f62a33d857889fba0b2a .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5r5ujb5-041e9b0aef99f62a33d857889fba0b2a av-special-heading-h3  avia-builder-el-2  avia-builder-el-no-sibling  av-linked-heading'><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Description<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3dc40-e854055df818c48ede0bdd9ba620687a\">\n.flex_column.av-3dc40-e854055df818c48ede0bdd9ba620687a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3dc40-e854055df818c48ede0bdd9ba620687a av_two_third  avia-builder-el-3  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k1apb7r2-20f1c323e0c138ebe244e153d2ce7d74\">\n#top .av_textblock_section.av-k1apb7r2-20f1c323e0c138ebe244e153d2ce7d74 .avia_textblock{\nfont-size:15px;\n}\n<\/style>\n<section  class='av_textblock_section av-k1apb7r2-20f1c323e0c138ebe244e153d2ce7d74 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span style=\"font-weight: 400;\">Illumination patterns must be tailored to each specific application, while maintaining energy efficiency, compliance with optical and electromagnetic safety standards, and design simplicity. Simulations of lighting patterns and automated optimization of optical element placement, parameters, as well as luminaire reflector shapes are the central components of any R&#038;D pipeline, allowing to reduce expenditures due to photometric tests and prototype manufacturing by reducing the number of required iterations to optimal design.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With considerable experience and experimentally verified tools, we perform simulations of light intensity distributions produced by luminaires (including gradient index optics), design optimization (parametric and shape) and determination of specular\/diffuse reflectivity and absorption coefficients for reflector coatings.<\/span><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-9y5o-4f8a7c56870639f48595133e6a463c41\">\n.flex_column.av-9y5o-4f8a7c56870639f48595133e6a463c41{\nborder-radius:0px 0px 0px 0px;\npadding:12px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-9y5o-4f8a7c56870639f48595133e6a463c41 av_one_third  avia-builder-el-5  el_after_av_two_third  el_before_av_two_third  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5r5v7om-82790558f1762e156c1b24fa34c7590d\">\n#top .av-special-heading.av-k5r5v7om-82790558f1762e156c1b24fa34c7590d{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-k5r5v7om-82790558f1762e156c1b24fa34c7590d .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5r5v7om-82790558f1762e156c1b24fa34c7590d .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5r5v7om-82790558f1762e156c1b24fa34c7590d av-special-heading-h3  avia-builder-el-6  avia-builder-el-no-sibling  av-linked-heading'><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Methodology<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2832w-9a10d3ed6cac4785cce6cfb11453ae57\">\n.flex_column.av-2832w-9a10d3ed6cac4785cce6cfb11453ae57{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2832w-9a10d3ed6cac4785cce6cfb11453ae57 av_two_third  avia-builder-el-7  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k1apb7r2-5eee81fa3a7a1d11b35decb5f7f529bb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span style=\"font-weight: 400;\">We use both commercial software (COMSOL) and our own code for simulations of illumination patterns and luminaire design optimization. Intensity distributions are computed using a Hamiltonian ray tracer based on the Monte-Carlo method and the finite element method (FEM). Nelder-Mead and COBYLA algorithms are used for optimization.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">During our collaboration with the company SIA Vizulo (Latvia), we developed a set of software tools for the development of luminaire prototypes: the optimization goal definition, ray tracing, and geometry calculation. Software tools have been successfully validated both experimentally and by comparing the results with standard optics design software packages.<\/span><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-19qfg-404f02c871126d24094bc189d7491708\">\n.flex_column.av-19qfg-404f02c871126d24094bc189d7491708{\nborder-radius:0px 0px 0px 0px;\npadding:12px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-19qfg-404f02c871126d24094bc189d7491708 av_one_third  avia-builder-el-9  el_after_av_two_third  el_before_av_two_third  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5r5vsu6-5ad6f966d0ac60e3bc3938c1e409bdd4\">\n#top .av-special-heading.av-k5r5vsu6-5ad6f966d0ac60e3bc3938c1e409bdd4{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-k5r5vsu6-5ad6f966d0ac60e3bc3938c1e409bdd4 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5r5vsu6-5ad6f966d0ac60e3bc3938c1e409bdd4 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5r5vsu6-5ad6f966d0ac60e3bc3938c1e409bdd4 av-special-heading-h3  avia-builder-el-10  avia-builder-el-no-sibling  av-linked-heading'><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Projects<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqc8-0995ef62a676a626f98efab2d5647406\">\n.flex_column.av-vqc8-0995ef62a676a626f98efab2d5647406{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqc8-0995ef62a676a626f98efab2d5647406 av_two_third  avia-builder-el-11  el_after_av_one_third  el_before_av_one_third  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k1apb7r2-5eee81fa3a7a1d11b35decb5f7f529bb '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ul>\n<li><span style=\"font-weight: 400;\">Cooperation agreement with SIA Vizulo (Latvia): Development of ray tracing models for industrial luminaires and optimization of spatial illumination patterns.<\/span><\/li>\n<\/ul>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-19qfg-404f02c871126d24094bc189d7491708\">\n.flex_column.av-19qfg-404f02c871126d24094bc189d7491708{\nborder-radius:0px 0px 0px 0px;\npadding:12px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-19qfg-404f02c871126d24094bc189d7491708 av_one_third  avia-builder-el-13  el_after_av_two_third  el_before_av_two_third  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5r5wktm-de9685f243f552729dc1abdef94792f3\">\n#top .av-special-heading.av-k5r5wktm-de9685f243f552729dc1abdef94792f3{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-k5r5wktm-de9685f243f552729dc1abdef94792f3 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5r5wktm-de9685f243f552729dc1abdef94792f3 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5r5wktm-de9685f243f552729dc1abdef94792f3 av-special-heading-h3  avia-builder-el-14  avia-builder-el-no-sibling  av-linked-heading'><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Contact<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-vqc8-0995ef62a676a626f98efab2d5647406\">\n.flex_column.av-vqc8-0995ef62a676a626f98efab2d5647406{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-vqc8-0995ef62a676a626f98efab2d5647406 av_two_third  avia-builder-el-15  el_after_av_one_third  el_before_av_section  avia-builder-el-last  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k1apqgy8-ba0ff599884bc83483b8ac15d5f629f4 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><span lang=\"EN\"><strong>Andris Jakovi\u010ds, Dr.Phys.<\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1826\" src=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/02\/14231000421530272912-128-e1612427865894.png\" alt=\"\" width=\"16\" height=\"16\" \/> +371 29 155 711<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1690\" src=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/8817370761579252550-128.png\" alt=\"\" width=\"16\" height=\"16\" srcset=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/8817370761579252550-128.png 128w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/8817370761579252550-128-80x80.png 80w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/8817370761579252550-128-36x36.png 36w\" sizes=\"auto, (max-width: 16px) 100vw, 16px\" \/> <a href=\"mailto:andris.jakovics@lu.lv\">andris.jakovics@lu.lv<\/a><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1688\" src=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/ORCIDiD_icon128x128.png\" alt=\"\" width=\"16\" height=\"16\" srcset=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/ORCIDiD_icon128x128.png 128w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/ORCIDiD_icon128x128-80x80.png 80w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2021\/01\/ORCIDiD_icon128x128-36x36.png 36w\" sizes=\"auto, (max-width: 16px) 100vw, 16px\" \/> <a href=\"https:\/\/orcid.org\/0000-0003-3410-5081\">0000-0003-3410-5081<\/a><\/span><\/p>\n<\/div><\/section><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_1'  class='avia-section av-yihs-e6df93b481533462b214a0083120c98d main_color avia-section-default avia-no-border-styling  avia-builder-el-17  el_after_av_two_third  avia-builder-el-last  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-548'><div class='entry-content-wrapper clearfix'>\n<div id='av-masonry-1' class='av-masonry av-k1apfe60-683bbbd7a91ef835066a2ebe21988f32 noHover av-fixed-size av-1px-gap av-hover-overlay-active av-masonry-animation-active av-masonry-col-flexible av-caption-always av-caption-style- av-masonry-gallery av-orientation-square ' data-post_id=\"548\"><div class=\"av-masonry-container isotope av-js-disabled\"><div class='av-masonry-entry isotope-item av-masonry-item-no-image '><\/div><a href=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-1030x724.jpg\" data-srcset=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-1030x724.jpg 1030w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-300x211.jpg 300w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-768x540.jpg 768w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-1500x1055.jpg 1500w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-705x496.jpg 705w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top.jpg 1600w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\"  aria-label=\"image Example of Numerical Optimization of Illumination Systems\"  id='av-masonry-1-item-289' data-av-masonry-item='289' class='av-masonry-entry isotope-item post-289 attachment type-attachment status-inherit hentry  av-masonry-item-with-image' title=\"Example of Numerical Optimization of Illumination Systems\" alt=\"\"    itemprop=\"thumbnailUrl\" ><div class='av-inner-masonry-sizer'><\/div><figure class='av-inner-masonry main_color'><div class=\"av-masonry-outerimage-container\"><div class='av-masonry-image-container' style=\"background-image: url(https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/behind-top-705x496.jpg);\"  title=\"Example of Numerical Optimization of Illumination Systems\" ><\/div><\/div><\/figure><\/a><!--end av-masonry entry--><a href=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-1030x980.jpg\" data-srcset=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-1030x980.jpg 1030w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-300x286.jpg 300w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-768x731.jpg 768w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-1500x1428.jpg 1500w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-705x671.jpg 705w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4.jpg 1600w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\"  aria-label=\"image Example of Numerical Optimization of Illumination Systems\"  id='av-masonry-1-item-290' data-av-masonry-item='290' class='av-masonry-entry isotope-item post-290 attachment type-attachment status-inherit hentry  av-masonry-item-with-image' title=\"Example of Numerical Optimization of Illumination Systems\" alt=\"\"    itemprop=\"thumbnailUrl\" ><div class='av-inner-masonry-sizer'><\/div><figure class='av-inner-masonry main_color'><div class=\"av-masonry-outerimage-container\"><div class='av-masonry-image-container' style=\"background-image: url(https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Full-3D-4-705x671.jpg);\"  title=\"Example of Numerical Optimization of Illumination Systems\" ><\/div><\/div><\/figure><\/a><!--end av-masonry entry--><a href=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-773x1030.jpg\" data-srcset=\"https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-773x1030.jpg 773w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-225x300.jpg 225w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-768x1024.jpg 768w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-1125x1500.jpg 1125w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2-529x705.jpg 529w, https:\/\/modinst.lu.lv\/wp-content\/uploads\/2019\/10\/Medium-I-2.jpg 1200w\" data-sizes=\"(max-width: 773px) 100vw, 773px\"  aria-label=\"image Example of Numerical Optimization of Illumination Systems\"  id='av-masonry-1-item-291' data-av-masonry-item='291' class='av-masonry-entry isotope-item post-291 attachment type-attachment status-inherit hentry  av-masonry-item-with-image' title=\"Example of Numerical Optimization of Illumination Systems\" alt=\"\"    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