{"id":543,"date":"2021-12-01T15:55:41","date_gmt":"2021-12-01T14:55:41","guid":{"rendered":"http:\/\/measline.com\/\/?page_id=543"},"modified":"2023-03-17T10:32:15","modified_gmt":"2023-03-17T09:32:15","slug":"spektroskopia-obitego-swiatla-bialego","status":"publish","type":"page","link":"https:\/\/measline.com\/index.php\/pl\/measline\/605-2\/spektroskopia-obitego-swiatla-bialego\/","title":{"rendered":"Spektroskopia odbitego \u015bwiat\u0142a bia\u0142ego"},"content":{"rendered":"\n[et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text admin_label=”tytu\u0142” _builder_version=”4.16″ _module_preset=”default” custom_margin=”0px||0px||false|false” custom_padding=”0px||||false|false” global_colors_info=”{}”]

Spektroskopia Odbitego \u015awiat\u0142a Bia\u0142ego<\/h3>[\/et_pb_text][et_pb_divider color=”#225600″ divider_weight=”2px” admin_label=”Separator” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_divider][et_pb_text admin_label=”Tekst” _builder_version=”4.20.2″ _module_preset=”default” custom_margin=”||-13px||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]

Spektroskopia odbitego \u015bwiat\u0142a bia\u0142ego metodologicznie przypomina interferometri\u0119 \u015bwiat\u0142a monochromatycznego, lecz w miejsce laserowego \u015bwiat\u0142a monochromatycznego wprowadza szerokie spektrum d\u0142ugo\u015bci fal w\u0142\u0105cznie z ultrafioletem, \u015bwiat\u0142em widzialnym i podczerwieni\u0105. \u015awiat\u0142o emitowane ze \u017ar\u00f3d\u0142a analizowane jest przez\u00a0 zminiaturyzowany spektrometr sterowany komputerem.<\/p>\n

Metodyka pomiaru jest nast\u0119puj\u0105ca. Bia\u0142e \u015bwiat\u0142o, emitowane ze \u017ar\u00f3d\u0142a \u015bwiat\u0142a, jest prowadzone \u015bwiat\u0142owodem w pobli\u017ce pr\u00f3bki. Koniec \u015bwiat\u0142owodu umieszczony jest w taki spos\u00f3b, \u017ce opuszczaj\u0105ce go \u015bwiat\u0142o pada prostopadle na pr\u00f3bk\u0119. Typowa pr\u00f3bka jest uk\u0142adem wielowarstwowym sk\u0142adaj\u0105cym si\u0119 z szeregu\u00a0 prze\u017aroczystych lub p\u00f3\u0142prze\u017aroczystych warstw le\u017c\u0105cych na\u00a0 pod\u0142o\u017cu, kt\u00f3re w zale\u017cno\u015bci od potrzeb mo\u017ce by\u0107 prze\u017aroczyste lub odbijaj\u0105ce promieniowanie (Si, szk\u0142o). \u015awiat\u0142o odbite od pr\u00f3bki kierowane jest do spektrometru. Padaj\u0105ca wi\u0105zka \u015bwiat\u0142a oddzia\u0142uj\u0105c z pr\u00f3bk\u0105 tworzy charakterystyczne widmo, kt\u00f3re jest rejestrowane przez spektrometr.<\/p>[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider show_divider=”off” _builder_version=”4.16″ _module_preset=”default” custom_margin=”21px||21px||true|false” global_colors_info=”{}”][\/et_pb_divider][et_pb_image src=”https:\/\/measline.com\/\/wp-content\/uploads\/2021\/12\/xwlrs1.jpg.pagespeed.ic_.WRF5IbsCmK.jpg” title_text=”xwlrs1.jpg.pagespeed.ic.WRF5IbsCmK” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.16″ _module_preset=”default” custom_margin=”-1px||-1px||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.16″ _module_preset=”default” custom_margin=”-25px||||false|false” global_colors_info=”{}”]

Wsp\u00f3\u0142czynnik ca\u0142kowitego odbicia dla pr\u00f3bki sk\u0142adaj\u0105cej si\u0119 z k warstw mo\u017ce by\u0107 policzony na podstawie wielu modeli. W przypadku urz\u0105dzenia firmy Thetametrisis zastosowana zosta\u0142a transformacja Abela dla kt\u00f3rej efektywny wsp\u00f3\u0142czynnik Fresnela dla k-1 warstw ma posta\u0107:<\/span><\/p>[\/et_pb_text][et_pb_image src=”https:\/\/measline.com\/\/wp-content\/uploads\/2021\/12\/xwlrs2.png.pagespeed.ic_.V_t_7oyBc5.png” title_text=”xwlrs2.png.pagespeed.ic.V_t_7oyBc5″ align=”center” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.16″ _module_preset=”default” custom_padding=”0px||0px||true|false” global_colors_info=”{}”]

gdzie\u00a0r\u00a0jest amplitud\u0105, a D \u2013 faz\u0105.<\/p>\n

Z tego zestawu r\u00f3wna\u0144 mo\u017cna obliczy\u0107 ca\u0142kowite odbicie od ka\u017cdej k warstw. W szczeg\u00f3lnym przypadku dw\u00f3ch prze\u017aroczystych warstw ca\u0142kowita energia mo\u017ce zosta\u0107 opisana r\u00f3wnaniem:<\/p>[\/et_pb_text][et_pb_image src=”https:\/\/measline.com\/\/wp-content\/uploads\/2021\/12\/xSpektroskopia-2.jpg.pagespeed.ic_.mOyAACUc3Y.jpg” title_text=”xSpektroskopia-2.jpg.pagespeed.ic.mOyAACUc3Y” align=”center” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_text _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”]

gdzie n<\/span>i\u00a0<\/sub>\u00a0jest <\/span>wsp\u00f3\u0142czynnikiem za\u0142amania \u015bwiat\u0142a<\/a>\u00a0\u00a0i-tej\u00a0warstwy (i = 0 dla powietrza, 1 \u2013 dla pierwszej warstwy, 2 \u2013 dla drugiej warstwy, 3 \u2013 dla substratu),\u00a0d<\/span>i<\/sub>\u00a0grubo\u015b\u0107 i-tej warstwy il\u00a0\u2013 d\u0142ugo\u015b\u0107 fali.\u00a0Propagacja \u015bwiat\u0142a na r\u00f3\u017cnych miedzywierzchniach zosta\u0142a zilustrowana na rysunku 2. Typowe widmo odbicia dla uk\u0142adu dw\u00f3ch prze\u017aroczystych warstw na krzemowym pod\u0142o\u017cu jest przedstawione na rysunku 3. Na tym rysunku zosta\u0142o r\u00f3wnie\u017c zilustrowane widmo \u015bwiat\u0142a padaj\u0105cego (referencyjnego) z przedzia\u0142u widzialnego i bliskiej podczerwieni. Liczba i kszta\u0142t brzeg\u00f3w miedzywierzchni zale\u017cy od grubo\u015bci i wsp\u00f3\u0142czynnika odbicia tych warstw. Dopasowanie widma eksperymentalnego do powy\u017cszego r\u00f3wnania jest wykonywane za pomoc\u0105 algorytmu Levenberga \u2013 Marquarda. Wsp\u00f3\u0142czynnik odbicia\u00a0n<\/span>i<\/sub> dla wszystkich warstw jest liczony z pomiar\u00f3w elipsometrycznych za pomoc\u0105 modelu Cauchy\u2019ego.\u00a0 Grubo\u015b\u0107 warstw jest obliczana poprzez zastosowanie r\u00f3wnania 2 do wszystkich d\u0142ugo\u015bci fal z okre\u015blonego przedzia\u0142u.<\/span><\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ _module_preset=”default” custom_margin=”-1px||-1px||true|false” custom_padding=”0px||0px||true|false” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/measline.com\/\/wp-content\/uploads\/2021\/12\/xswiatlow-uk-dw.jpg.pagespeed.ic_.9DJZ80GBBD.jpg” title_text=”xswiatlow-uk-dw.jpg.pagespeed.ic.9DJZ80GBBD” align=”center” _builder_version=”4.16″ _module_preset=”default” width=”63%” custom_margin=”19px||||false|false” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/measline.com\/\/wp-content\/uploads\/2021\/12\/xspektr-widmo.jpg.pagespeed.ic_.tGLmCRyIEv.jpg” title_text=”xspektr-widmo.jpg.pagespeed.ic.tGLmCRyIEv” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"

Spektroskopia Odbitego \u015awiat\u0142a Bia\u0142egoSpektroskopia odbitego \u015bwiat\u0142a bia\u0142ego metodologicznie przypomina interferometri\u0119 \u015bwiat\u0142a monochromatycznego, lecz w miejsce laserowego \u015bwiat\u0142a monochromatycznego wprowadza szerokie spektrum d\u0142ugo\u015bci fal w\u0142\u0105cznie z ultrafioletem, \u015bwiat\u0142em widzialnym i podczerwieni\u0105. \u015awiat\u0142o emitowane ze \u017ar\u00f3d\u0142a analizowane jest przez\u00a0 zminiaturyzowany spektrometr sterowany komputerem. Metodyka pomiaru jest nast\u0119puj\u0105ca. Bia\u0142e \u015bwiat\u0142o, emitowane ze \u017ar\u00f3d\u0142a \u015bwiat\u0142a, jest prowadzone \u015bwiat\u0142owodem w […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":605,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-543","page","type-page","status-publish","hentry"],"yoast_head":"\nSpektroskopia odbitego \u015bwiat\u0142a bia\u0142ego - Measline<\/title>\n<meta name=\"description\" content=\"Postawy techniki spektroskopii odbitego \u015bwiat\u0142a bia\u0142ego wykorzystywanej w urz\u0105dzeniach firmy Thetametrisis.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/measline.com\/index.php\/pl\/measline\/605-2\/spektroskopia-obitego-swiatla-bialego\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spektroskopia odbitego \u015bwiat\u0142a bia\u0142ego - 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