تبلیغات
انجام پروژه های مهندسی برق - فوتونیک و مخابرات نوری Photonic
فوتونیک و مخابرات نوری Photonic
یکشنبه 23 مهر 1391 ساعت 01:40 ق.ظ | نوشته ‌شده به دست رسول نیک بخت | ( نظرات )

برای آشنایی بیشتر شما عزیزان یک فایل پاورپوینت در انتهای همین مطلب قرار داده شده است.

با اختراع لیزر و پس از آن ساخت فیبر نوری شاخه اپتیک در فیزیك آنقدر گسترده گردید و كاربردهای آن آنقدر زیاد شد كه شاخه ای جدید در علم متولد گردید كه به فوتونیك موسوم گردید.

بعد از اختراع لیزر در سال1960میلادی ایده بكارگیری فیبرنوری برای انتقال اطلاعات شكل گرفت خبرساخت اولین فیبر نوری در سال1مخابراتی قابل استفاده نبود تا اینكه در سال1976 با كوشش فراوان محققین تلفات فیبر نوری تولیدی شدیدا كاهش یافت و به مقداری رسید كه قابل مقایسه با سیم های كواكسیال مورد استفاده در شبكه مخابرات بود.

دانلود فایل PPT 

منبع:


می توانید دیدگاه خود را بنویسید
What do you do for a sore Achilles tendon? پنجشنبه 16 شهریور 1396 07:46 ق.ظ
Hmm is anyone else experiencing problems with the images on this blog loading?

I'm trying to find out if its a problem on my end or if it's the
blog. Any feed-back would be greatly appreciated.
dejamapps.hatenablog.com چهارشنبه 18 مرداد 1396 10:55 ق.ظ
Thanks for the marvelous posting! I quite enjoyed reading it, you will be a great author.
I will always bookmark your blog and may come
back in the foreseeable future. I want to encourage you
continue your great work, have a nice afternoon!
Do compression socks help with Achilles tendonitis? سه شنبه 17 مرداد 1396 12:23 ب.ظ
Today, while I was at work, my cousin stole my iphone and tested to see if
it can survive a thirty foot drop, just so she can be a youtube sensation. My apple ipad is now destroyed and she
has 83 views. I know this is totally off topic
but I had to share it with someone!
http://boothdyzntmzzzg.snack.ws/hammer-toe-caused-by-rheumatoid-arthritis.html شنبه 14 مرداد 1396 04:23 ب.ظ
I pay a quick visit everyday some web sites and information sites to read content, however this web site gives feature based
articles.
What do you do when your Achilles tendon hurts? جمعه 13 مرداد 1396 06:46 ق.ظ
Does your website have a contact page? I'm
having problems locating it but, I'd like to send you an e-mail.
I've got some suggestions for your blog you might be interested in hearing.

Either way, great website and I look forward to seeing it grow over time.
Foot Issues دوشنبه 9 مرداد 1396 02:02 ب.ظ
Hello, this weekend is pleasant in favor of me, because this point in time
i am reading this enormous educational piece of writing here
at my house.
conradmrdsuedttw.exteen.com یکشنبه 8 مرداد 1396 08:02 ب.ظ
It's awesome in support of me to have a web page, which is helpful for my experience.
thanks admin
Do you get taller when you stretch? جمعه 6 مرداد 1396 10:41 ب.ظ
Excellent pieces. Keep posting such kind of info on your site.

Im really impressed by it.
Hi there, You have performed an excellent job. I'll certainly digg it and in my view suggest
to my friends. I am confident they will be benefited from this
web site.
What causes pain in the back of the heel? جمعه 6 مرداد 1396 07:04 ق.ظ
What's Going down i am new to this, I stumbled upon this I've discovered
It absolutely useful and it has aided me out loads. I'm hoping to contribute & help different customers like its helped me.

Great job.
manicure شنبه 12 فروردین 1396 12:44 ب.ظ
I'm excited to uncover this great site. I need to to thank you for your
time for this fantastic read!! I definitely liked every little
bit of it and i also have you saved as a favorite to look at new things on your site.
 
لبخندناراحتچشمک
نیشخندبغلسوال
قلبخجالتزبان
ماچتعجبعصبانی
عینکشیطانگریه
خندهقهقههخداحافظ
سبزقهرهورا
دستگلتفکر
 
دیگر موارد
تعداد مطالب :
تعداد نویسندگان :
آخرین بروز رسانی :
بازدید امروز :
بازدید دیروز :
بازدید این ماه :
بازدید ماه قبل :
بازدید کل :
آخرین بازدید :