{"id":464,"date":"2012-04-10T14:10:06","date_gmt":"2012-04-10T14:10:06","guid":{"rendered":"http:\/\/nanovea.com\/?p=464"},"modified":"2015-06-30T22:08:30","modified_gmt":"2015-06-30T22:08:30","slug":"gercek-eksenel-kromatizma-vs-interferometri-olcumu","status":"publish","type":"post","link":"https:\/\/nanovea.com\/tr\/gercek-eksenel-kromatizma-vs-interferometri-olcumu\/","title":{"rendered":"GER\u00c7E\u011eIN \u00d6L\u00c7\u00dcM\u00dc. INTERFEROMETRI DEZAVANTAJLARI"},"content":{"rendered":"<p>\u0130ki beyaz \u0131\u015f\u0131\u011f\u0131 g\u00f6zden ge\u00e7irirken nelere dikkat edilmesi gerekti\u011fine dair baz\u0131 d\u00fc\u015f\u00fcnceler <a title=\"profilometre\" href=\"https:\/\/nanovea.com\/profilometers\" target=\"_blank\">profilometre<\/a> teknikleri. Beyaz I\u015f\u0131k \u0130nterferometrisinin dezavantajlar\u0131, numune veya \u00f6l\u00e7\u00fcm kafas\u0131 belirli ad\u0131mlarla yukar\u0131 veya a\u015fa\u011f\u0131 hareket ettirilirken sa\u00e7aklar\u0131n ekran boyunca hareketini g\u00f6r\u00fcnt\u00fcleme sistemi arac\u0131l\u0131\u011f\u0131yla tespit etmek i\u00e7in yaz\u0131l\u0131m ve matematiksel denklemlerin kullan\u0131lmas\u0131yla ba\u015flar. Bu \u00f6l\u00e7\u00fcmler ancak yaz\u0131l\u0131m\u0131n ve g\u00f6r\u00fcnt\u00fcleme par\u00e7alar\u0131n\u0131n bu sa\u00e7aklar\u0131n hareketini \"tespit etme\" konusunda yapabildikleri kadar iyidir. Yans\u0131t\u0131c\u0131 ve p\u00fcr\u00fczs\u00fcz y\u00fczeylerle u\u011fra\u015f\u0131rken, verilerin do\u011frulu\u011fu \u00fcst\u00fcnd\u00fcr. Bu nedenle teknik \u00f6ncelikle y\u00fczeylerin genellikle yans\u0131t\u0131c\u0131 oldu\u011fu ve varsa basamaklar\u0131n 90\u00b0 a\u00e7\u0131ya yak\u0131n oldu\u011fu yar\u0131 iletken uygulamalar\u0131 i\u00e7in geli\u015ftirilmi\u015ftir.<\/p>\n<p>Ancak, p\u00fcr\u00fczl\u00fc ve yans\u0131t\u0131c\u0131l\u0131\u011f\u0131 d\u00fc\u015f\u00fck bir y\u00fczeyde, \u0130nterferometri tekni\u011finin do\u011fas\u0131nda var olan yapayl\u0131klar nedeniyle yaz\u0131l\u0131m\u0131n ger\u00e7ek y\u00fczeyi yorumlamas\u0131 ger\u00e7eklerden uzakla\u015f\u0131r. Buna ek olarak, \u0130nterferometri a\u00e7\u0131 \u00f6l\u00e7\u00fcm\u00fc a\u00e7\u0131s\u0131ndan da son derece s\u0131n\u0131rl\u0131d\u0131r. Yine, yaz\u0131l\u0131m art\u0131k y\u00fczeyin beklenen \u015fekli gibi ek bilgilerle y\u00fczeyleri tamamlamak i\u00e7in mucizeler ger\u00e7ekle\u015ftirebilir. Ham verilerin \u00f6nizlemesi, yaz\u0131l\u0131m\u0131n neyi manip\u00fcle etti\u011fini bilmenin bir yoludur, ancak birincil analiz yaz\u0131l\u0131m\u0131 bile otomatik olarak y\u00fczeyin nas\u0131l g\u00f6r\u00fcnmesi gerekti\u011fine dair bir yorum olu\u015fturur ve kullan\u0131c\u0131n\u0131n haberi olmadan \u00f6l\u00e7\u00fclmemi\u015f noktalar\u0131 otomatik olarak tamamlar. Ak\u0131ll\u0131 bir yaz\u0131l\u0131mla, 3D g\u00f6r\u00fcnt\u00fcn\u00fcn i\u015flenmesi m\u00fckemmel g\u00f6r\u00fcnece\u011finden ve genellikle kullan\u0131c\u0131lar y\u00fczeylerinin ger\u00e7ekten neye benzedi\u011fini bilmedi\u011finden, yapayl\u0131klar\u0131 ger\u00e7ek verilerden ay\u0131rt etmek imkans\u0131z olabilir. Bu durum \u00f6zellikle daha karma\u015f\u0131k ve zor y\u00fczeylerle u\u011fra\u015f\u0131rken ge\u00e7erlidir.<\/p>\n<p>Ayr\u0131ca, h\u0131z iki teknik aras\u0131ndaki \u00f6nemli bir fark olarak g\u00fcndeme getirilmektedir. \u0130nterferometrinin p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc ve ad\u0131m\u0131 de\u011ferlendirmek i\u00e7in bir g\u00f6r\u00fc\u015f alan\u0131 g\u00f6r\u00fcnt\u00fcs\u00fcn\u00fc daha h\u0131zl\u0131 \u00f6l\u00e7ebildi\u011fi do\u011frudur. Bunlar p\u00fcr\u00fczs\u00fcz yar\u0131 iletken y\u00fczeylerle u\u011fra\u015f\u0131rken a\u00e7\u0131k avantajlard\u0131r. Ancak yine de, \u00f6l\u00e7\u00fclen y\u00fczey p\u00fcr\u00fczs\u00fcz de\u011filse, veriler daha h\u0131zl\u0131 sa\u011flanabilir ancak ger\u00e7ek verilerden uzakt\u0131r. Ek olarak, y\u00fczeylerin dikilmesi, yine y\u00fczey p\u00fcr\u00fczs\u00fcz ve yans\u0131t\u0131c\u0131 oldu\u011funda ve net konum i\u015faretleriyle \u00e7al\u0131\u015f\u0131r. Y\u00fczey p\u00fcr\u00fczl\u00fc hale geldik\u00e7e ve daha zor malzeme t\u00fcrlerinde diki\u015fin do\u011frulu\u011fu azalacakt\u0131r. Y\u00fczey p\u00fcr\u00fczl\u00fc oldu\u011funda artefaktlar\u0131 ve bununla ilgili sorunlar\u0131 tespit etmek, net bir ad\u0131m g\u00f6rd\u00fc\u011f\u00fcn\u00fczde oldu\u011fundan daha zor hale gelebilir. En iyi yanal \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc elde etmek i\u00e7in 100x objektif kullanmak gerekir, bu da \u00f6l\u00e7\u00fcm alan\u0131n\u0131 yakla\u015f\u0131k 140 mikrometre x 110 mikrometre ile s\u0131n\u0131rlar. Birle\u015ftirilecek g\u00f6r\u00fcnt\u00fc say\u0131s\u0131, daha b\u00fcy\u00fck par\u00e7alar \u00fczerinde do\u011fru veriler elde etmeye \u00e7al\u0131\u015f\u0131rken bir sorun haline gelebilir (1mmx1mm i\u00e7in 100 g\u00f6r\u00fcnt\u00fc ve 10mmx10mm i\u00e7in 10000 g\u00f6r\u00fcnt\u00fc). G\u00f6r\u00fcnt\u00fcn\u00fcn yanal \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc, kullan\u0131lan kameradaki piksel say\u0131s\u0131n\u0131n bir fonksiyonudur.<\/p>\n<p>Manip\u00fclatif \u0130nterferometri tekni\u011finin aksine, Beyaz \u0131\u015f\u0131k Eksenel Kromatizma teknolojisi, y\u00fcksekli\u011fi do\u011frudan odak noktas\u0131ndaki numunenin y\u00fczeyine \u00e7arpan dalga boyunun tespitinden \u00f6l\u00e7er. Matematiksel yaz\u0131l\u0131m manip\u00fclasyonu olmadan do\u011frudan \u00f6l\u00e7\u00fcm yapar. Bu, \u00f6l\u00e7\u00fclen y\u00fczeyde benzersiz bir do\u011fruluk sa\u011flar \u00e7\u00fcnk\u00fc bir veri noktas\u0131 ya yaz\u0131l\u0131m yorumu olmadan do\u011fru bir \u015fekilde \u00f6l\u00e7\u00fcl\u00fcr ya da hi\u00e7 \u00f6l\u00e7\u00fclmez. Yaz\u0131l\u0131m \u00f6l\u00e7\u00fclmeyen noktay\u0131 tamamlayabilir ancak kullan\u0131c\u0131 bunun tamamen fark\u0131ndad\u0131r ve ba\u015fka gizli artefaktlar olmad\u0131\u011f\u0131ndan emin olabilir. Teknik ayr\u0131ca neredeyse t\u00fcm malzeme y\u00fczeylerini, baz\u0131 durumlarda 80\u00b0'nin \u00fczerine kadar \u00e7ok daha y\u00fcksek a\u00e7\u0131larla \u00f6l\u00e7ebilir. Eksenel Kromatizma, 30 cm'nin \u00fczerindeki bir uzunlu\u011fu 0,3 saniyeden daha k\u0131sa bir s\u00fcrede tarayabilir. Art\u0131k 1m\/s tarama ile saniyede 31.000 noktaya ula\u015fan yeni toplama sistemleri mevcuttur. Eksenel Kromatizmal\u0131 yeni \u00e7izgi sens\u00f6rleri saniyede 324.000 noktaya kadar \u00f6l\u00e7\u00fcm yapabilmektedir. Bir interferometre taraf\u0131ndan elde edilen tipik bir g\u00f6r\u00fcnt\u00fcde g\u00f6r\u00fc\u015f alan\u0131 ba\u015f\u0131na 1.000.000'dan az veri noktas\u0131 bulunur. Bir Eksenel Kromatizma \u00e7izgi sens\u00f6r\u00fc kullanarak tarama birka\u00e7 saniye s\u00fcrecektir, bu da daha do\u011fru veriler sa\u011flarken ger\u00e7ek h\u0131z\u0131n \u0130nterferometri h\u0131zlar\u0131na \u00e7ok yak\u0131n oldu\u011fu anlam\u0131na gelir. Bu nedenle h\u0131z, uygulaman\u0131n kendisine ba\u011fl\u0131 olarak de\u011ferlendirilmelidir.<\/p>\n<p>\u0130nterferometri tekni\u011finin b\u00fcy\u00fcmesi \u00e7o\u011funlukla daha derin cepleri olan end\u00fcstrilerdeki ba\u015far\u0131lar\u0131ndan kaynaklanm\u0131\u015ft\u0131r. Bu nedenle, \u0130nterferometrinin maliyeti genellikle benzer \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011fe ve daha geni\u015f kapasiteye sahip Eksenel Kromatizma sistemlerinin iki kat\u0131d\u0131r. Deneyimlerimiz, 90% uygulamalar\u0131n\u0131n Eksenel Kromatizma tekni\u011fi kullan\u0131larak daha iyi sunuldu\u011fu y\u00f6n\u00fcndedir. Eksenel Kromatizma teknolojisini se\u00e7en m\u00fc\u015fteriler nadiren hayal k\u0131r\u0131kl\u0131\u011f\u0131na u\u011frarken, \u0130nterferometri se\u00e7iminde bir\u00e7ok tuzak bulunmaktad\u0131r. Ve pi\u015fmanl\u0131k neredeyse her zaman ayn\u0131d\u0131r: \u0130nterferometrinin geni\u015f \u00f6l\u00e7\u00fcm kabiliyeti ve y\u00fcksek fiyat etiketi ile g\u00fcvenilir \u015fekilde do\u011fru veri dezavantaj\u0131.<\/p>\n<p><a href=\"https:\/\/nanovea.com\/wp-content\/themes\/wp-nanovea\/Application%20Notes\/interferometry-disadvantages.pdf\" target=\"_blank\">Ayr\u0131nt\u0131l\u0131 rapora bak\u0131n <\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Some thoughts on what to consider when reviewing the two white light profilometer techniques. White Light Interferometry disadvantages start with using software and mathematical equations to detect, through the imaging system, the movement of fringes across the screen as the sample or the measuring head is moved up or down in specific steps. These measurements [&hellip;]<\/p>","protected":false},"author":1,"featured_media":465,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[197],"class_list":["post-464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-interferometry-disadvantages"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/comments?post=464"}],"version-history":[{"count":3,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":1913,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/posts\/464\/revisions\/1913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media\/465"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/media?parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/categories?post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/tr\/wp-json\/wp\/v2\/tags?post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}