fa بهبود عملکرد سوئیچ تمام اپتیکی فیلم پلیمری حاوی رنگینه DR1 با استفاده از دو پرتو پمپ تخصصی Special پژوهشي Research <p style="MARGIN: 9pt 0in" dir="rtl" class="Abstract"><font size="2"><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA">چکیده - در این مقاله سوئیچ تمام اپتیکی با نویز کم و پایداری بالا در فیلم پلیمری </span></b><span dir="ltr"></span><span dir="ltr"></span><span dir="ltr"><span dir="ltr"></span><span dir="ltr"></span><em><font face="Times New Roman"><span style="mso-spacerun: yes"></span>(</font></em></span></font><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt" dir="ltr">PMMA</span><span dir="ltr"><font size="2">)</font></span></font></em><font size="2"><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA">حاوی رنگینه آزو </span></b><span dir="ltr"></span><span dir="ltr"></span><span dir="ltr"><span dir="ltr"></span><span dir="ltr"></span><em><font face="Times New Roman">(</font></em></span></font><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt" dir="ltr">DR1</span><font size="2"><span dir="ltr">)</span><span dir="rtl"></span><span dir="rtl"></span></font></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: "><span dir="rtl"></span><span dir="rtl"></span><font size="2"> <span lang="FA"><font face="B Nazanin">با استفاده از دو پرتو در دو مرحله گزارش شده است. برای مقایسه، به ترتیب از تک پرتو با قطبش خطی(</font></span></font></span></b><font size="2"><em><font face="Times New Roman"><span dir="ltr">mw</span><span dir="rtl"></span><span dir="rtl"></span></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: "><span dir="rtl"></span><span dir="rtl"></span> <span lang="FA"><font face="B Nazanin">9)، دو پرتو با قطبش های خطی </font></span></span></b><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal mso-bidi-font-family: 'Times New Roman' mso-ansi-font-style: italic" lang="FA"><font face="Times New Roman">–</font></span></b><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA">دایروی</span></b></font><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA">mW</span><font size="2"><span dir="ltr">)</span><span style="mso-ansi-language: EN-CA" dir="ltr"> </span><span dir="rtl"></span><span dir="rtl"></span></font></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><span dir="rtl"></span><span dir="rtl"></span><font face="B Nazanin"><font size="2"><span style="mso-spacerun: yes"></span>9</font></font></span></b><span dir="ltr"></span><span dir="ltr"></span><span style="mso-ansi-language: EN-CA" dir="ltr" lang="FA"><span dir="ltr"></span><span dir="ltr"></span><em><font size="2" face="Times New Roman"> </font></em></span><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><font size="2">و </font></span></b><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA">mW</span><font size="2"><span style="mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA"> </span><span dir="rtl"></span><span dir="rtl"></span></font></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><span dir="rtl"></span><span dir="rtl"></span><font face="B Nazanin"><font size="2"><span style="mso-spacerun: yes"></span>9/4</font></font></span></b><span dir="ltr"></span><span dir="ltr"></span><span style="mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA"><span dir="ltr"></span><span dir="ltr"></span><em><font size="2" face="Times New Roman">(</font></em></span><span dir="rtl"></span><span dir="rtl"></span><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="EN-CA"><span dir="rtl"></span><span dir="rtl"></span><font size="2"> </font></span></b><font size="2"><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA">و دو پرتو</span></b><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"> با قطبش های عمود بر هم</span></b></font><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA">mW</span><font size="2"><span style="mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA">) </span><span dir="rtl"></span><span dir="rtl"></span></font></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><span dir="rtl"></span><span dir="rtl"></span><font face="B Nazanin"><font size="2"><span style="mso-spacerun: yes"></span>9</font></font></span></b><span dir="ltr"></span><span dir="ltr"></span><span style="mso-ansi-language: EN-CA" dir="ltr" lang="FA"><span dir="ltr"></span><span dir="ltr"></span><em><font size="2" face="Times New Roman"> </font></em></span><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><font size="2">و </font></span></b><em><font face="Times New Roman"><span style="FONT-SIZE: 9pt mso-ansi-language: EN-CA" dir="ltr" lang="EN-CA">mW</span><span dir="rtl"></span><span dir="rtl"></span></font></em><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><span dir="rtl"></span><span dir="rtl"></span><font size="2"> 3/3 </font></span></b><span dir="ltr"></span><span dir="ltr"></span><span dir="ltr"><span dir="ltr"></span><span dir="ltr"></span><em><font size="2" face="Times New Roman">(</font></em></span><span dir="rtl"></span><span dir="rtl"></span><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: "><span dir="rtl"></span><span dir="rtl"></span><font size="2"> <span lang="FA"><font face="B Nazanin">برای پمپ نمونه </font></span></font></span></b><b style="mso-ansi-font-weight: normal"><span style="FONT-STYLE: normal FONT-FAMILY: " lang="FA"><font size="2">استفاده کردیم. نتایج آزمایشات نشان داد که سرعت قطع در سوئیچینگ، با استفاده از دو پرتو پمپ افزایش یافته است. بنابراین سوئیچ در فرکانس های بالا بدست آمد.</font></span></b><p></p></p><p></p> <p style="MARGIN: 0in 0in 4.5pt" class="Index"><span style="FONT-STYLE: normal"><font face="Times New Roman">Pumping<span style="mso-spacerun: yes"> </span>poly methyl methacrylate (PMMA) films doped with azobenzene chromophore Disperse Red 1 (DR1) with two pump beams in two step, all-optical switching effects with very low background and high stability are demonstrated. For<span style="mso-spacerun: yes"> </span>comparison, we used respectively the single linearly polarized beam (9 mW),linear–circular<span style="mso-spacerun: yes"> </span>polarized<span style="mso-spacerun: yes"> </span>beams (9mW and<span style="mso-spacerun: yes"> </span>4.9 mW) and two cross-linearly polarized beams (9 mW and 3.3 mW) to<span style="mso-spacerun: yes"> </span>pump<span style="mso-spacerun: yes"> </span>the<span style="mso-spacerun: yes"> </span>film. High frequency switching is obtained, Because the<span style="mso-spacerun: yes"> </span>experimental<span style="mso-spacerun: yes"> </span>measurement<span style="mso-spacerun: yes"> </span>and<span style="mso-spacerun: yes"> </span>analysis<span style="mso-spacerun: yes"> </span>showed<span style="mso-spacerun: yes"> </span>that<span style="mso-spacerun: yes"> </span>the<span style="mso-spacerun: yes"> </span>turn<span style="mso-spacerun: yes"> </span>off speed<span style="mso-spacerun: yes"> </span>of<span style="mso-spacerun: yes"> </span>the<span style="mso-spacerun: yes"> </span>all-optical<span style="mso-spacerun: yes"> </span>switching<span style="mso-spacerun: yes"> </span>could<span style="mso-spacerun: yes"> </span>be<span style="mso-spacerun: yes"> </span>obviously<span style="mso-spacerun: yes"> </span>increased<span style="mso-spacerun: yes"> </span>by<span style="mso-spacerun: yes"> </span>use<span style="mso-spacerun: yes"> </span>of<span style="mso-spacerun: yes"> </span>two<span style="mso-spacerun: yes"> </span>pump beam method.</font></span><span style="FONT-STYLE: normal FONT-FAMILY: "B Nazanin"" dir="rtl" lang="FA"><p></p></span></p> دو پرتو پمپ, رنگینه آزو, سوئیچ تمام اپتیکی, فیلم پلیمری (PMMA) All-optical switching, Azo dye, poly methyl methacrylate (PMMA) films, two pump beams 1469 1472 http://opsi.ir/browse.php?a_code=A-10-1-429&slc_lang=fa&sid=1 zahra eslami زهرا اسلامی eslami.zahra0@gmail.com 10031947532846002689 10031947532846002689 Yes Shahid Beheshti University دانشگاه شهیدبهشتی Hossein Mehrzad حسین مهرزاد h_mehrzad@sbu.ac.ir 10031947532846002690 10031947532846002690 No Shahid Beheshti University دانشگاه شهیدبهشتی Ezeddin mohajerani عزالدین مهاجرانی e-mohajerani@sbu.ac.ir 10031947532846002691 10031947532846002691 No Shahid Beheshti University دانشگاه شهیدبهشتی