〖简介Introduction〗
基于微机电系统(MEMS)的动态可调光衰减器(Dynamic Variable Optical Attenuator——简称DVOA)是实现全光网中功率调节的重要元件。 DVOA能够实现对全光网的全面远程控制。主要应用在:预置光功率均衡、信道传输均衡、光自动增益调节、光接收器的保护等。我公司研发的DVOA产品,采用了MEMS控制芯片及独特的光学设计,使产品更加小型化,成本更低,并且反应更加迅速,具有更高的稳定性和可靠性,易于制造。
Dynamic Variable Optical Attenuator (DVOA) based on MEMS is an important component for power regulation in all-optical networks. It can realize the full remote control of all optical network. Here are some main applications: preset optical power balancing, channel transmission balancing, optical automatic gain regulation, optical receiver protection, etc. The DVOA product developed by our company adopts MEMS control chip and unique optical design, which makes the product more miniaturized, lower cost, and more rapid response, with higher stability and reliability, and easy to manufacture.
〖特性Features〗
高稳定性
High reliability
高可靠性
High stability
低插入损耗
Low insertion loss
反应迅速
Rapid response
体积小
small volume
〖应用Applications〗
传输光功率高
High transmission optical power
光路功率平衡
Optical path power balance
信道传输均衡
Channel transmission equalization
光自动增益调节
Optical automatic gain adjustment
光接收机的保护
Optical receiver protection
光路通断
optical on &off
〖性能指标Specifications〗
参数 Parameters | 单位 Unit | 指标 Index | 备注 Notes |
波长范围 Wavelength range | nm | 1260-1650nm or 980nm/1064nm
1 | |
衰减类型 Attenuation type
Type of attenuation
Type of attenuation
| Normally bright or dark | ||
衰减范围 Attenuation range | dB | ≥30 | |
衰减范围 Max attenuation range Maximum attenuation range
| dB | ≥45 | |
插入损耗 Insertion loss | dB | ≤0.7 (0.5 Typ.) | 不含连接头损耗 Without the connector loss |
衰减类型 Attenuation type | 连续 Continue | ||
波长相关损耗 WDL | dB | ≤0.1 | 在0dB测试 0dB test |
≤1 | 在20dB测试 20dB test | ||
纹波 Ripple wave | dB | ≤0.05 | 0.4nm 带宽在20dB测试 0.4nm Broadband is tested at 20dB |
偏振相关损耗 PDL | dB | ≤0.1 | 在0dB测试 0dB test |
≤1 | 在20dB测试 20dB test | ||
温度相关损耗 TDL | dB | ≤0.15 | 在0dB测试比较 0dB test comparison |
≤1 | 在20dB测试比较 20dB test comparison | ||
回波损耗 Return loss | dB | ≥55 | |
偏振模色散 PMD | ps | ≤0.5 | |
响应时间 Respond time | ms | ≤2 (1 Typ.) | 10-90% 光功率 10-90% optical power 10-90% optical power |
承受光功率optical power resistant ability | mW | 300 | |
驱动电压 Driving voltage | VDC | 6V | 在5.2v 典型是40db Typ. is 40dB at 5.2V Typ. is 40dB at 5.2V |
功耗 Power consumption | mW | ≤2 | |
工作温度 Operating temperature | ºC | 0 to 70 | |
贮藏温度 Storage temperature | ºC | -40 to 85 |
〖订货信息ordering information〗
VOA | 端口 Port | 工作波长 Operationwavelength | 光纤类型 Fiber type | 光纤长度 Fiber length | 连接头 Connector |
1=常闭 Normally close
2=常开 Normally open | 0101=1X1
| 10=1060nm 13=1310nm 15=1550nm 16=1625nm X=others | 1=裸光纤 1=Bare fiber | 1=1M | 0=None |
1=FC/APC | |||||
2= FC/PC | |||||
2=900um光纤 2=900um Optical fiber | 3=SC/APC | ||||
4=SC/PC | |||||
5=ST | |||||
6=LC | |||||
XX=other | XX=other | XX=others |
〖封装尺寸及管脚定义 Packaging Dimension and Pin Type〗
〖线性度Linearity〗