SlideShare a Scribd company logo

Nanophotonics - day4.pptx

•Download as PPTX, PDF•
•
I
Inv. Ali Bakhshi

We tried to explain and analyze the latest cutting-edge technologies in nanophotonic materials workshop. The subjects were around : 1) quantum confinement 2) nano materials 3) synthesis methods 4) applications (laser, sensors, solar cells, medical, ...) 5) promising nano materials and methods 6) NEMS & MEMS 7) Ideas and latest interesting researches Master instructor of nanophotonic materials workshop (D234165), "Inv. Ali Bakhshi".

Science
1 of 22
Presenter: Ali Bakhshi Title: Nano photonic materials 1 Day 4 B.Sc Physics Eng. Tabriz Uni. M.Sc Nano Tech. IUST Researcher IPM
‫گرما‬ ‫درمانی‬ 2 ‫استفاده‬ ‫از‬ ‫اکسید‬ ‫آهن‬ ‫در‬ ‫گرمایش‬ ،‫تومور‬ ‫لین‬ّ ‫و‬‫ا‬ ‫بار‬ ‫توسط‬ Gilchirist ‫در‬ ‫سال‬ 1957 ‫گزارش‬ ‫شده‬ ‫است‬ . ‫اکسید‬ ‫آهن‬ ‫مگنتیت‬ ( magnetite ‫یا‬ Fe3O4 ‫اکسید‬ ‫آهن‬ ‫مگمیت‬ ( maghemite ‫یا‬ Fe2O4 ‫برای‬ ‫افزایش‬ ‫دما‬ ‫به‬ ‫اتالف‬ ‫مغناطیسی‬ ‫نیاز‬ ‫است‬ . ‫اتالف‬ ‫مغناطیسی‬ : ‫میدان‬ ‫مغناطیسی‬ ‫متناوب‬ ‫و‬ ‫هیسترزیس‬ ‫آسایش‬ ‫نیل‬ ‫آسایش‬ ‫براونی‬ 𝑃𝐹𝑀 = 𝜇0𝑓 𝐻𝑑𝑚
‫گرما‬ ‫درمانی‬ 3 ‫فروفلویید‬ ‫با‬ ‫انتقال‬ ‫انرژی‬ ‫گرمایی‬ ‫به‬ ‫محیط‬ ‫اطراف‬ ‫به‬ ‫آسایش‬ ‫رسد‬‫می‬ . ‫م‬ ‫کانیسم‬ ‫آسایش‬ ‫براونی‬ ‫به‬ ‫علت‬ ‫چرخش‬ ‫فیزیکی‬ ‫خود‬ ‫ذرات‬ ‫است‬ . ‫مکانیسم‬ ‫آسایش‬ ‫نیل‬ ‫به‬ ‫علت‬ ‫چرخش‬ ‫ممان‬ ‫مغناطیسی‬ ‫در‬ ‫داخل‬ ‫ذرات‬ ‫است‬ . ‫مکانیسم‬ ‫براونی‬ ‫اطقاکا‬ ‫طریق‬ ‫از‬ ‫قکوز‬ ‫ویسق‬ ‫و‬ ‫ذرات‬ ‫قین‬ ‫بق‬ ‫و‬ ‫ذرات‬ ‫قین‬ ‫بق‬ ‫محقیط‬ ‫در‬ ‫حقرارت‬ ‫تولید‬ ‫باعث‬ ‫مایع‬ ‫اتقالف‬ ‫عنقوان‬ ‫بقه‬ ‫که‬ ‫شود‬‫می‬ ‫اطراف‬ ‫انرژی‬ ‫ویسکوز‬ ‫شود‬‫می‬ ‫شناخته‬ ‫نیز‬ . ‫با‬ ‫شده‬ ‫پوشیده‬ ‫مغناطیسی‬ ‫نانوذرات‬ ‫پلیمرهای‬ ‫فلوروسانس‬ ‫دما‬ ‫به‬ ‫حساس‬ https://doi.org/10.1021/acs.iecr.9b06833
‫های‬‫سلول‬ ‫خورشیدی‬ 4 ‫نخستین‬ ‫های‬‫سلول‬ ‫خورشیدی‬ ‫بر‬ ‫پایه‬ ،‫رساناها‬‫نیمه‬ ‫که‬ ‫بازده‬ ‫ها‬‫آن‬ ‫به‬ ‫بیش‬ ‫از‬ % 10 ‫رسید‬‫می‬ ‫در‬ ‫های‬‫سال‬ 1960 - 1950 ‫ساخته‬ ‫شدند‬ . ‫خورشیدی‬ ‫سلول‬ ‫سیلیکونی‬
‫های‬‫سلول‬ ‫خورشیدی‬ 5 ‫به‬ ‫کمک‬ ‫نقاط‬ ،‫کوانتومی‬ ‫بازده‬ ‫نظری‬ ‫تواند‬‫می‬ ‫به‬ 63.2 ‫درطد‬ ‫برسد‬ . ‫دلیل‬ : ‫های‬‫اندازه‬ ‫متفاوت‬ ‫و‬ ‫جذب‬ ‫متفاوت‬ ‫یعنی‬ ‫طیف‬ ‫نور‬ ‫خورشید‬ ‫را‬ ‫توان‬‫می‬ ‫پوشش‬ ‫داد‬ ‫و‬ ‫کامل‬ ‫دریافت‬ ‫کرد‬ . DOI: 10.5772/59159
‫حسگر‬ ‫پالسمونیکی‬ ! 6 ‫پالسمون‬ ‫ساحی‬ ‫به‬ ‫نوسانات‬ ‫منسجم‬ ‫های‬‫الکترون‬ ‫الیه‬ ‫رسانا‬ ‫در‬ ‫ساوح‬ ‫فلزات‬ ‫گفته‬ ‫شود‬‫می‬ ‫که‬ ‫با‬ ‫استفاده‬ ‫از‬ ‫تابش‬ ‫الکترومغناطیس‬ ‫در‬ ‫ساح‬ ‫میان‬ ‫فلز‬ ‫و‬ ‫الکتریک‬‫دی‬ ‫وجود‬‫به‬ ‫آید‬‫می‬ . https://pubs.acs.org/doi/pdf/10.1021/acsnano.0c02439 plasmonic photothermal (PPT) effect 0.22 pM ‫های‬‫پالسمون‬ ‫ساحی‬ ‫به‬ ‫تغییرات‬ ‫ضریب‬ ‫شکست‬ ‫ساح‬ ‫فلز‬ ‫حساس‬ ‫هستند‬ . Kretschmann configuration
‫حسگر‬ ‫پالسمونیکی‬ ! 7 ‫های‬‫پالسمون‬ ‫ساحی‬ ‫به‬ ‫تغییرات‬ ‫ضریب‬ ‫شکست‬ ‫ساح‬ ‫فلز‬ ‫حساس‬ ‫هستند‬ . https://www.nature.com/articles/srep12864
‫نانولیزر‬ ! 8 ‫تولید‬ ‫لیزر‬ ‫با‬ ‫نقاط‬ ،‫کوانتومی‬ ‫ها‬‫نانوسیم‬ ، ‫الیه‬ ‫ناز‬ ‫و‬ ... . 1962 https://pdfs.semanticscholar.org/e31b/c388 7b6b5ceb7583e815a1364288ab81dbc3.pdf
‫نانولیزر‬ ! 9 ‫افزایش‬ ‫تعداد‬ ‫قاعات‬ ‫فوتونیکی‬ ‫در‬ ‫ها‬‫چیپ‬ https://pdfs.semanticscholar.org/e31b/c388 7b6b5ceb7583e815a1364288ab81dbc3.pdf
‫نانولیزر‬ ! 10 ‫لیزر‬ ‫پالسمونیکی‬ http://dx.doi.org/10.1039/C7RA07949D localized surface plasmon lasers
‫نانولیزر‬ ! 11 ‫لیزر‬ ‫پالسمونیکی‬ Tunable plasmon lasers based on a nanorod-on-film design Lattice plasmon laser with directional emission
‫نانولیزر‬ ! 12 ‫لیزر‬ ‫پالسمونیکی‬ Tunable plasmon lasers based on nanoparticle arrays Multi-modal plasmon laser
‫فیبری‬ ‫حسگر‬ ! 13 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫هدایت‬ ‫جهت‬ ‫مخابراتی‬ ‫نوری‬ ‫های‬‫فیبر‬ ‫کمترین‬ ‫با‬ ،‫طوالنی‬ ‫مسیر‬ ‫طی‬ ‫در‬ ‫نور‬ ‫شوند‬‫می‬ ‫طراحی‬ ‫ممکن‬ ‫تلفات‬ NA = n sin θo = nco 2 − ncl 2 ‫نور‬ ‫در‬ ‫اثر‬ ‫پدیده‬ ‫بازتاب‬ ‫کلی‬ ‫در‬ ‫فیبر‬ ‫نوری‬ ‫انتشار‬ ‫یابد‬‫می‬ . ‫چون‬ ‫قار‬ ‫پوسته‬ ‫از‬ ‫هسته‬ ‫بیشتر‬ ،‫است‬ ‫نور‬ ‫در‬ ‫طول‬ ‫آن‬ ‫با‬ ‫اندکی‬ ،‫اتالف‬ ‫انتشار‬ ‫یابد‬‫می‬ . ‫بازتاب‬ ‫داخلی‬ ‫متوالی‬ ‫از‬ ‫یک‬ ‫پرتو‬ ‫در‬ ‫زاویه‬ θ ‫تر‬‫بزرگ‬ ‫از‬ ‫زاویه‬ ‫بحرانی‬ θc ‫درون‬ ‫هسته‬ ‫فیبر‬ ‫رخ‬ ‫دهد‬‫می‬ ‫و‬ ‫باعث‬ ‫انتشار‬ ‫نور‬ ‫در‬ ‫های‬‫مسافت‬ ‫طوالنی‬ ‫شود‬‫می‬ . 𝑀 = 𝑉2 2 𝑉 = 2𝜋𝑎 𝜆 𝑛𝑐𝑜 2 − 𝑛𝑐𝑙 2 = 2𝜋𝑎 𝜆 𝑁𝐴
‫فیبری‬ ‫حسگر‬ ! 14 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫چیدمان‬ ‫کلی‬ ‫تمامی‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫اند‬‫عبارت‬ ‫از‬ : ۱ - ‫نوری‬ ‫منبع‬ ۲ - ‫فیبرنوری‬ ۳ - ‫المان‬ ‫با‬ ‫حسگر‬ ‫ناحیه‬ ‫مدوالتور‬ ۴ - ‫آشکارساز‬ ‫نوری‬ ۵ - ‫الکتریکی‬ ‫پردازشگر‬
‫فیبری‬ ‫حسگر‬ ! 15 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫شدت‬ ‫با‬ ‫توجه‬ ‫به‬ ‫تغییری‬ ‫که‬ ‫در‬ ‫فیبر‬ ‫نوری‬ ‫داده‬ ‫شود‬‫می‬ ‫و‬ ‫پوسته‬ ‫متغیر‬ ‫که‬ ‫شامل‬ ‫ی‬‫ه‬‫ماد‬ ‫نشانی‬‫الیه‬ ‫شده‬ ‫با‬ ‫ضریب‬ ‫شکست‬ ‫متفاوت‬ ‫است‬ ‫به‬ ۳ ‫دسته‬ ‫کلی‬ ‫بندی‬‫تقسیم‬ ‫شوند‬‫می‬ . ‫الف‬ ) ‫مد‬ ‫میرا‬ ( n𝑐𝑙 = n𝑚𝑐 < n𝑐 ) Modified cladding : mc ‫در‬ ‫این‬ ‫حالت‬ ‫ضریب‬ ‫شکست‬ ‫پوسته‬ ‫تغییریافته‬ ، ‫با‬ ‫پوسته‬ ‫اطلی‬ ‫یکسان‬ ‫است‬ ‫بنابراین‬ ‫شرایط‬ ‫موجبری‬ ‫در‬ ‫ناحیه‬ ‫تغییریافته‬ ، ‫تغییری‬ ‫کند‬‫نمی‬ ‫و‬ ‫نور‬ ‫همان‬ ‫شکل‬ ‫موج‬ ‫گوسی‬ ‫خود‬ ‫را‬ ‫در‬ ‫هسته‬ ‫فیبر‬ ‫و‬ ‫میدان‬ ‫میرا‬ ‫را‬ ‫حفظ‬ ‫کند‬‫می‬ . ‫هر‬ ‫تغییری‬ ‫در‬ ‫جذب‬ ‫ماده‬ ‫پوسته‬ ،‫جدید‬ ‫سبب‬ ‫جذب‬ ‫میدان‬ ‫میرا‬ ‫شود‬‫می‬ ‫که‬ ‫باعث‬ ‫تغییر‬ ‫شدت‬ ‫نور‬ ‫نیز‬ ‫خواهد‬ ‫بود‬ .
‫فیبری‬ ‫حسگر‬ ! 16 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫شدت‬ ‫با‬ ‫توجه‬ ‫به‬ ‫تغییری‬ ‫که‬ ‫در‬ ‫فیبر‬ ‫نوری‬ ‫داده‬ ‫شود‬‫می‬ ‫و‬ ‫پوسته‬ ‫متغیر‬ ‫که‬ ‫شامل‬ ‫ی‬‫ه‬‫ماد‬ ‫نشانی‬‫الیه‬ ‫شده‬ ‫با‬ ‫ضریب‬ ‫شکست‬ ‫متفاوت‬ ‫است‬ ‫به‬ ۳ ‫دسته‬ ‫کلی‬ ‫بندی‬‫تقسیم‬ ‫شوند‬‫می‬ . ‫ب‬ ) ‫مد‬ ‫نشتی‬ ( n𝑐𝑙 < n𝑐 < n𝑚𝑐 ) Leaky mode ‫مرز‬ ‫بین‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫و‬ ‫هوا‬ ‫با‬ ‫توجه‬ ‫به‬ ‫اختالف‬ ‫ضریب‬ ،‫شکست‬ ‫شرایط‬ ‫بازتاب‬ ‫کلی‬ ‫را‬ ‫میسر‬ ‫کند‬‫می‬ . ‫بنابراین‬ ‫قسمتی‬ ‫از‬ ‫نور‬ ‫بازتابی‬ ‫بین‬ ‫دو‬ ‫مرز‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫و‬ ‫از‬ ‫هوا‬ ‫وارد‬ ‫هسته‬ ‫فیبر‬ ‫نوری‬ ‫شود‬‫می‬ . ‫هرگونه‬ ‫تغییر‬ ‫در‬ ‫ضریب‬ ‫شکست‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫که‬ ‫شامل‬ ‫ماده‬ ‫پوششی‬ ‫است‬ ‫سبب‬ ‫تغییر‬ ‫زاویه‬ ‫حد‬ ‫که‬ ‫وابسته‬ ‫به‬ ‫ضریب‬ ‫شکست‬ ‫دو‬ ‫محیط‬ ‫است‬ ‫شود‬‫می‬ ‫و‬ ‫پیرو‬ ،‫آن‬ ‫زاویه‬ ‫بازتاب‬ ‫کلی‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫و‬ ‫هوا‬ ‫نیز‬ ‫تغییر‬ ‫یابد‬‫می‬ .
‫فیبری‬ ‫حسگر‬ ! 17 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫شدت‬ ‫با‬ ‫توجه‬ ‫به‬ ‫تغییری‬ ‫که‬ ‫در‬ ‫فیبر‬ ‫نوری‬ ‫داده‬ ‫شود‬‫می‬ ‫و‬ ‫پوسته‬ ‫متغیر‬ ‫که‬ ‫شامل‬ ‫ی‬‫ه‬‫ماد‬ ‫نشانی‬‫الیه‬ ‫شده‬ ‫با‬ ‫ضریب‬ ‫شکست‬ ‫متفاوت‬ ‫است‬ ‫به‬ ۳ ‫دسته‬ ‫کلی‬ ‫بندی‬‫تقسیم‬ ‫شوند‬‫می‬ . ‫با‬ ‫توجه‬ ‫به‬ ‫بزرگ‬ ‫بودن‬ ‫ضریب‬ ‫شکست‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫نسبت‬ ‫به‬ ‫پوسته‬ ،‫اطلی‬ ‫زاویه‬ ‫حد‬ ‫بزرگتر‬ ‫شده‬ ‫و‬ ‫پیرو‬ ‫آن‬ ‫مااب‬ ‫راباه‬ ‫بازتاب‬ ‫کلی‬ ‫زاویه‬ ‫بازتاب‬ ‫کلی‬ ‫نیز‬ ‫در‬ ‫این‬ ‫ناحیه‬ ‫بیشتر‬ ‫شود‬‫می‬ . ‫بنابراین‬ ‫های‬‫مد‬ ‫مرتبه‬ ‫باالتر‬ ‫که‬ ‫قبال‬ ‫در‬ ‫زاویه‬ ‫کمتر‬ ‫از‬ ‫زاویه‬ ‫حد‬ ‫فعلی‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫در‬ ‫فیبر‬ ‫نوری‬ ‫که‬ ‫دارای‬ ‫پوسته‬ ‫اطلی‬ ‫بود‬ ‫منتشر‬ ‫شدند‬‫می‬ ‫هنگام‬ ‫ورود‬ ‫به‬ ‫ناحیه‬ ‫تغییر‬ ‫یافته‬ ‫با‬ ‫توجه‬ ‫به‬ ‫افزایش‬ ‫زاویه‬ ‫حد‬ ‫و‬ ‫زاویه‬ ‫بازتاب‬ ‫کلی‬ ‫های‬‫مد‬ ‫مرتبه‬ ،‫باالتر‬ ‫در‬ ‫این‬ ‫زاویه‬ ‫شکسته‬ ‫شده‬ ‫و‬ ‫وارد‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫شوند‬‫می‬ ‫در‬ ‫واقع‬ ‫بخشی‬ ‫از‬ ‫های‬‫مد‬ ‫مرتبه‬ ‫باالتر‬ ‫که‬ ‫در‬ ‫زوایای‬ ‫نزدیک‬ ‫به‬ ‫زاویه‬ ‫حد‬ ‫فیبر‬ ‫نوری‬ ‫اطلی‬ ‫هستند‬ ‫با‬ ‫افزایش‬ ‫زاویه‬ ‫حد‬ ‫در‬ ‫پوسته‬ ‫تغییر‬ ‫یافته‬ ‫نور‬ ‫شکسته‬ ‫شده‬ ‫ج‬ ) ‫مد‬ ‫نشتی‬ ‫جزئی‬ ( n𝑐𝑙 < n𝑚𝑐 < n𝑐 ) Partial leaky mode
‫فیبری‬ ‫حسگر‬ ! 18 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫مدوالسیون‬ ‫طول‬ ‫موج‬ ‫های‬‫حسگر‬ ‫فلورسانسی‬ ‫و‬ ‫توری‬ ‫فیبر‬ ‫نوری‬ ‫هایی‬‫نمونه‬ ‫از‬ ‫تغییر‬ ‫دهنده‬ ‫طول‬ ‫موج‬ ‫یا‬ ‫به‬ ‫عبارتی‬ ‫های‬‫حسگر‬ ‫کننده‬‫مدوله‬ ‫طول‬ ‫موج‬ ‫محسوب‬ ‫شوند‬‫می‬ . ‫از‬ ‫جمله‬ ‫های‬‫حسگر‬ ‫پرکاربرد‬ ‫مبتنی‬ ‫بر‬ ‫مدوالسیون‬ ‫طول‬ ‫موج‬ ‫توان‬‫می‬ ‫به‬ ‫های‬‫حسگر‬ ‫توری‬ ‫فیبر‬ ‫نوری‬ ‫اشاره‬ ‫کرد‬ ‫که‬ ‫به‬ ‫دو‬ ‫نام‬ ‫حسگر‬ ‫توری‬ ‫فیبر‬ ‫نوری‬ ‫براگ‬ ( FBG ) ‫و‬ ‫توری‬ ‫فیبر‬ ‫نوری‬ ‫با‬ ‫تناوب‬ ‫طویل‬ ( LPFG ) ‫بندی‬‫دسته‬ ‫شوند‬‫می‬ . ‫تفاوت‬ ‫بین‬ ‫این‬ ‫دو‬ ‫عالوه‬ ‫بر‬ ‫نوع‬ ‫ساخت‬ ‫و‬ ‫سایر‬ ،‫جزئیات‬ ‫این‬ ‫است‬ ‫که‬ ‫به‬ ‫طور‬ ‫کلی‬ ‫حسگر‬ ‫توری‬ ‫براگ‬ ‫فیبری‬ ‫تغییرات‬ ‫طیف‬ ‫عبوری‬ ‫و‬ ‫بازتابی‬ ‫مورد‬ ‫تحلیل‬ ‫قرار‬ ‫گیرد‬‫می‬ ‫در‬ ‫حالی‬ ‫که‬ ‫در‬ ‫توری‬ ‫فیبری‬ ‫با‬ ‫تناوب‬ ‫طویل‬ ‫تنها‬ ‫طیف‬ ‫عبوری‬ ‫مورد‬ ‫بررسی‬ ‫قرار‬ ‫گیرد‬‫می‬ . Fiber bragg grating Long-period fiber grating
‫فیبری‬ ‫حسگر‬ ! 19 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫مدوالسیون‬ ‫فاز‬ ‫کمیت‬ ‫مورد‬ ‫گیری‬‫اندازه‬ ‫مجهول‬ ‫که‬ ‫حسگر‬ ‫آن‬ ‫را‬ ‫اندازه‬ ‫گیرد‬‫می‬ ‫فاز‬ ‫نور‬ ‫عبوری‬ ‫در‬ ‫ناحیه‬ ‫مورد‬ ‫گیری‬‫اندازه‬ ‫توسط‬ ‫تغییر‬ ‫کمیت‬ ‫مورد‬ ‫گیری‬‫اندازه‬ ‫مورد‬ ‫نظر‬ ‫مدوله‬ ‫شود‬‫می‬ ‫و‬ ‫این‬ ‫فاز‬ ‫مدوله‬ ‫شده‬ ‫توسط‬ ‫روش‬ ‫سنجی‬‫تداخل‬ ‫آشکارسازی‬ ‫شود‬‫می‬ ‫از‬ ‫جمله‬ ‫ماخ‬ - ‫زندر‬ .
‫فیبری‬ ‫حسگر‬ ! 20 ‫فیبر‬ ‫ناز‬ ‫شده‬ ‫های‬‫حسگر‬ ‫فیبر‬ ‫نوری‬ ‫مبتنی‬ ‫بر‬ ‫مدوالسیون‬ ‫قابش‬ ‫منظور‬ ‫از‬ ‫قابش‬ ‫در‬ ‫این‬ ‫نوع‬ ‫از‬ ‫حسگرها‬ ‫جهت‬ ‫میدان‬ ‫الکتریکی‬ ‫در‬ ‫نور‬ ‫است‬ . ‫های‬‫حسگر‬ ‫مبتنی‬ ‫بر‬ ‫مدوالسیون‬ ‫قابش‬ ‫به‬ ‫آشکارساز‬ ‫تغییر‬ ‫فاز‬ ‫حاطل‬ ‫بین‬ ‫های‬‫جهت‬ ‫مختلف‬ ‫قابش‬ ‫اطالق‬ ‫شود‬‫می‬ . ‫ضریب‬ ‫شکست‬ ‫فیبر‬ ‫نوری‬ ‫که‬‫هنگامی‬ ‫تحت‬ ‫تاثیر‬ ‫تنش‬ ‫و‬ ‫کرنش‬ ‫قرار‬ ،‫گیرد‬‫می‬ ‫تغییر‬ ‫یابد‬‫می‬ . ‫در‬ ‫اثر‬ ‫این‬ ،‫اختالل‬ ‫اختالف‬ ‫فاز‬ ‫بین‬ ‫های‬‫جهت‬ ‫قابش‬ ‫نور‬ ‫ایجاد‬ ‫شود‬‫می‬ ‫که‬ ‫به‬ ‫اثر‬ ‫فتواالستیک‬ ‫شناخته‬ ‫شود‬‫می‬ ‫که‬ ‫با‬ ‫آشکارسازی‬ ‫تغییر‬ ‫فاز‬ ‫قابش‬ ‫خروجی‬ ‫فیبر‬ ،‫نوری‬ ‫میزان‬ ‫اختالل‬ ‫خارجی‬ ‫شناسایی‬ ‫شو‬‫می‬ ‫د‬ .
‫بیشتر‬ ‫ماالعه‬ 1(https://www.researchgate.net/publication/320659139_Plasmon_Lasers_Coherent_Nan oscopic_Light_Sources/figures?lo=1 2) doi:10.3390/app9050861 21
‫پاسخ‬ ‫و‬ ‫پرسش‬ ‫فراوان‬ ‫سپاس‬ ‫با‬ 22

Recommended

QDThinFilms-5.pptx
QDThinFilms-5.pptxQDThinFilms-5.pptx
QDThinFilms-5.pptx
Inv. Ali Bakhshi
 
QDThinFilms-4.pptx
QDThinFilms-4.pptxQDThinFilms-4.pptx
QDThinFilms-4.pptx
Inv. Ali Bakhshi
 
QDThinFilms-3.pptx
QDThinFilms-3.pptxQDThinFilms-3.pptx
QDThinFilms-3.pptx
Inv. Ali Bakhshi
 
QDThinFilms-2.pptx
QDThinFilms-2.pptxQDThinFilms-2.pptx
QDThinFilms-2.pptx
Inv. Ali Bakhshi
 
QDThinFilms-1.pptx
QDThinFilms-1.pptxQDThinFilms-1.pptx
QDThinFilms-1.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day7.pptx
Nanophotonics - day7.pptxNanophotonics - day7.pptx
Nanophotonics - day7.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day8.pptx
Nanophotonics - day8.pptxNanophotonics - day8.pptx
Nanophotonics - day8.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day6.pptx
Nanophotonics - day6.pptxNanophotonics - day6.pptx
Nanophotonics - day6.pptx
Inv. Ali Bakhshi
 

Recommended

QDThinFilms-5.pptx
QDThinFilms-5.pptxQDThinFilms-5.pptx
QDThinFilms-5.pptx
Inv. Ali Bakhshi
 
QDThinFilms-4.pptx
QDThinFilms-4.pptxQDThinFilms-4.pptx
QDThinFilms-4.pptx
Inv. Ali Bakhshi
 
QDThinFilms-3.pptx
QDThinFilms-3.pptxQDThinFilms-3.pptx
QDThinFilms-3.pptx
Inv. Ali Bakhshi
 
QDThinFilms-2.pptx
QDThinFilms-2.pptxQDThinFilms-2.pptx
QDThinFilms-2.pptx
Inv. Ali Bakhshi
 
QDThinFilms-1.pptx
QDThinFilms-1.pptxQDThinFilms-1.pptx
QDThinFilms-1.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day7.pptx
Nanophotonics - day7.pptxNanophotonics - day7.pptx
Nanophotonics - day7.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day8.pptx
Nanophotonics - day8.pptxNanophotonics - day8.pptx
Nanophotonics - day8.pptx
Inv. Ali Bakhshi
 
Nanophotonics - day6.pptx
Nanophotonics - day6.pptxNanophotonics - day6.pptx
Nanophotonics - day6.pptx
Inv. Ali Bakhshi
 
2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot
Marius Sescu
 
Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPT
Expeed Software
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage Engineerings
Pixeldarts
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental Health
ThinkNow
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
marketingartwork
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
Skeleton Technologies
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
Kurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
SpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Lily Ray
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
Rajiv Jayarajah, MAppComm, ACC
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
Christy Abraham Joy
 
Time Management & Productivity - Best Practices
Time Management & Productivity - Best PracticesTime Management & Productivity - Best Practices
Time Management & Productivity - Best Practices
Vit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
MindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
RachelPearson36
 

More Related Content

Featured

2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot
Marius Sescu
 
Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPT
Expeed Software
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage Engineerings
Pixeldarts
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental Health
ThinkNow
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
marketingartwork
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
Skeleton Technologies
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
Neil Kimberley
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
contently
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
Albert Qian
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
Kurio // The Social Media Age(ncy)
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
Search Engine Journal
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
SpeakerHub
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
Tessa Mero
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Lily Ray
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
Rajiv Jayarajah, MAppComm, ACC
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
Christy Abraham Joy
 
Time Management & Productivity - Best Practices
Time Management & Productivity - Best PracticesTime Management & Productivity - Best Practices
Time Management & Productivity - Best Practices
Vit Horky
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
MindGenius
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
RachelPearson36
 

Featured (20)

2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot2024 State of Marketing Report – by Hubspot
2024 State of Marketing Report – by Hubspot
 
Everything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPTEverything You Need To Know About ChatGPT
Everything You Need To Know About ChatGPT
 
Product Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage EngineeringsProduct Design Trends in 2024 | Teenage Engineerings
Product Design Trends in 2024 | Teenage Engineerings
 
How Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental HealthHow Race, Age and Gender Shape Attitudes Towards Mental Health
How Race, Age and Gender Shape Attitudes Towards Mental Health
 
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity - Best PracticesTime Management & Productivity - Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 

Nanophotonics - day4.pptx