朗布尔司库尔纳司达卡分公司Sylhet司01 = Panchagar 17 = Kushtia 37 = Tangail 50 = Sunamganj 02 = Thakurgaon 18 = Meherpur 38 = Kishpur 38 = Kisoreganj 51 = Kisoreganj 51 = Sylhet 19 39 = Manikganj 52 = Moulvibazar 04 = Nilphamari 20 = Jhenaidah 40 = Dhaka 53 = Habiganj 05 = Lalmonirhat 21 = Magura 41 = Gazipur 06 = Rangpur 22 Kurigram 23 = Jashore 43 = Narayanganj 54 = Brahmanbaria 08 = Gaibandha 24 = Satkhira 44 = Munshiganj 55 = Cumilla rajshahi division 25 = khulna 45 = khulna 45 = faridpur 56 = chandpur 09 = chandpur 09 = joypurhat 26 = joypurhat = bipurhat = bipipurhat = bipipurhat = bipipurhat 46 = Rajbari 57 = Lakshmipur 10 = Bogura 47 = Gopalganj 58 = Noakhali 11 = Naogaon Barishal Division 48 = Madaripur 59 = Feni 12 = Natore 27 = Pirojpur 49 = Shariatpur 60 = Chattogram 13 = Nawabg jhalakati mymensingh division 61 = Cox的Bazar 14 = Rajshahi 29 = Barishal 33 = NetRokona 62 = Khagrachhari 15 = Sirajganj 30 = Bhola 30 = Bhola 34 = Mymensingh 63 = rangamati 16 = rangamati 16 = pabna 31 = patuakaakhali 31 = patuakaakhalii Sherpur 64 = Bandarban 32 = Barguna 36 = Jamalpur
飞秒直接激光写入(FS DLW)是在透明介电材料中产生3D光子微结构的强大方法[1,2]。后者在短时间内通过非线性过程吸收FS脉冲的能量,从而在μM规模的辐照面积(损伤轨道)内进行了永久性的材料修饰,从而导致折射率的热变化。激光波导(WGS)最近引起了极大的关注[1]。飞秒脉冲对激光WGS的铭文受益于快速制造时间,高精度,获得各种几何形状和活性材料。对于此类WG,达到了低至中等传播损失。wg激光器代表光子积分电路的构件之一[2]。如果设计正确,它们会受益于单模模式操作,低阈值和高光强度[3]。表面WG可以通过将非线性光学材料沉积导致脉冲激光通过evanescent-Field景偶联而进行功能化[4,5]。
朗布尔师库尔纳分部达卡分部Sylhet部门01 = Panchagar 17 = Kushtia 37 = Tangail 50 = Sunamganj 02 = Thakurgaon 18 = Meherpur 38 = Kishoreganj 51 = Sylhet 51 = Sylhet 03 = Syajpur 19 = Dinajpur 19 = Dinajpur aka 53 = habiganj 05 = lalmonirhat 21 = magura 41 = gazipur 06 = rangpur 22 = narail 42 = narsinghdi Chattogram divargram 07 = kurigram 23 = jashore 43 = jashore 43 = jashore 43 = narayanganj 54 = brahmanang = brahmannj = brahmanbaria = brahmanbaria = gaibandha = gaibandha 25尺骨45 = Faridpur 56 = Chandpur 09 = Joypurhat 26= Bagerhat 46= Rajbari 57= Lakshmipur 10= Bogura 47= Gopalganj 58= Noakhali 11= Naogaon Barishal Division 48= Madaripur 59= Feni 12= Natore 27= Pirojpur 49= Shariatpur 60= Chattogram 13= Nawabganj 28= Jhalakati 迈门辛专区 61= 科克斯巴扎尔 14= 拉杰沙希 29= Barishal 33= Netrokona 62= Khagrachhari 15= Sirajganj 30= Bhola 34= 迈门辛 63= Rangamati 16= Pabna 31= Patuakhali 35= Sherpur 64= Bandarban 32= Barguna 36= Jamalpur