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الهولوجرام
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الهولوجرام
1.
اشراف تحت:الطالبة عمل/ د/فؤاد
احمد خالد اسراء هشام محمد
2.
مقدمة الهولوجراف المجسم التصوير
عملية من الهولوجرام على الحصول يتم نف الجسم موجة تسجيل على المجسم التصوير تكنولوجيا تعتمدسعة أي سها الهولوجرام يسمى لوح في تسجل حيث وطورها الموجة
3.
اىفرلوجواهلو العادي التصوير
بني الفرق: العادي التصوير: بعدين في الصورة تكوين على تعتمد تعل وموضعها الجسم عن المنعكسة االضاءة شدة بين العالقة سجيلالفيلم ى •الفوتوجرافى التصوير: الجس من المنعكسة الليزر اشعة بين التداخل تسجيل على تعتمدالشعاع و م م فان وبالتالي بالهولوجرام يسمى الذى الفيلم على مباشرة الساقطعلى يسجل ا الشعاعين بين التداخل نمط هو الفيلم
4.
اىفرلوجواهل على احلصول
كيفية: مرحلتين على عليه الحصول يتم: .1الهولوجرام على التداخل انماط تسجيل .2الصورة تكوين
5.
اوال:امرلوجواهل على التداخل
امناط تسجيل العملية هذه تتطلب: oليزر oللضوء مجزى oفوتوجرافى لوح(الهولوجرام) oالجسم oمرآة
6.
مجزئ على الليزر
أشعة من حزمة تسقطالضوء((Splitterفتنقسمجزئين إلى: األشعة من األول الجزء ينفذليصلل األشعة فتنعكس مثبتة متساوية مرآة إلىعلى تسقط المرجع بأشعة وتسمى الفوتوجرافى اللوح(Reference beam) ،األشع هذه وتنعكس تصويره المراد الجسم على األشعة من الثاني الجزء ويسقطةمن وتسمى الفوتوجرافي اللوح لتصل عنه للمعلومات حاملة الجسم سطح نقاط جميعهذه الجسم بأشعة األشعة(Objective Beam). تلتقينم النتيجة وتكون الفوتوجرافي اللوح على الجسم وأشعة المرجع اشعةمن مركب ط االشعة تلك تداخلعلى يسجلالفوتوجرافي اللوح
7.
اثنيا:الصورة تكوين التد اهداب
تناظر التي وداكنة شفافة مناطق على الهولوجرام يحتوىاخل والمظلمة المضيئة ال فان األصلي المرجعي للشعاع تماما مشابه بشعاع يضاء عندما لذاشعاع الشفافة المناطق من ينفذ سوف بدرجات الداكنة المناطق في ويمتص مطابقة موجة بذلك مكونا متفاوتة صورة فنرى األصلي الجسم لموجة الجسم وكأنها الهواء في مماثلة األصلي
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