A new dynamic model is developed for simulating the widely tunable grating assisted codirectional coupler with rear sampled grating reflector ( GCSR) lasers. 提出了一个新的分析模型,用于宽带可调谐GCSR激光器的动态特性模拟。
Conclusions can be drawn that the best scheme is to use side-pump with tapered fiber bundle and fiber grating as the reflector of laser. 结果表明,采用树枝状结构多模耦合器进行侧向泵浦及采用光纤光栅进行激光反馈是最佳方式。
Fiber Bragg grating as Fabry-Perot cavity reflector has been successfully fabricated in a double-clad fiber by using phase-mask method, and a double-clad fiber laser with stable output has been developed. 采用相位掩模法在双包层光纤上直接写入光纤布拉格光栅,以此作为光纤激光器后腔镜,研制了稳定输出的掺镱双包层光纤激光器。
Grating moving light modulator ( GMLM) is a novel MEMS-based movable diffraction grating, which light modulation is completed by changing micro distance between the upper surface of the movable grating and the reflecting surface of the underlying fixed reflector. 基于MEMS的光栅平动式光调制器(GratingMovingLightModulator,简称GMLM)是通过改变结构中可动光栅上表面和下反射面之间的微间距来实现光能量的调制。
A scattered field from a strip grating twist reflector is analysed through the microwave network theory. 运用微波网络理论分析带条栅扭转极化器的散射场;
Fiber grating which is a passive fiber parts, has been used widely in the field of fiber communication and fiber sensing because it can form filter or reflector in narrow strap. 光纤光栅作为光纤无源器件,利用其能在窄带内形成滤波器或反射镜这一特性,在光纤通信、光纤传感等领域得到了广泛的应用。
A wavelength measurement and control system of wide tunable Sampled Grating Distributed Bragg Reflector ( SG-DBR) lasers is developed. This system combines traditional stand-alone equipments with virtual instruments. 采用传统设备结合虚拟仪器的方法,研制了一套宽可调谐取样光栅DBR(SampledGratingDBR,SG-DBR)激光器的波长测试控制系统。
The design of the structure parameter of the2-d grating and random reflector in the QWIP device. 甚长波QWIP的二维周期光栅的结构参数以及无序光栅的设计。