MEMS多模光开关
1、产品简介
1×N多模光开关模块是一种具有多通道光路切换作用功能的光学器件，可广泛应用于各种光通信、测试系统中，尤其适合多模光纤测温设备DTS的应用。
2、应用范围
光传感系统，例如DTS；
光通信应用。
3、产品特点
低损耗、高可靠性；
小体积；
简单的逻辑接口控制；
模块化设计。
4、技术指标
Table 1 Optical Specifications
Parameters | Unit | Value | Notes |
Wavelength | nm | 850±30/1310±40nm/ 1550±40nm | or customer specify |
Test Wavelength | nm | 850/1310/1550 | |
OSW Channels | 4, 8 | ≤8 | |
Insertion Loss | dB | ≤0.8 | @CWL,23°C， Without Connectors |
Return Loss | dB | ≥30 | |
Repeatability | dB | ≤±0.05 | |
Crosstalk | dB | ≥30 | |
Polarization Dependence Loss | dB | ≤0.2 | |
Wavelength Dependence Loss | dB | ≤0.3 | @CWL±20nm, 23°C |
Temperature Dependence Loss | dB | ≤0.4 | |
Operation Temperature | °C | -5~70 | |
Storage Temperature | °C | -40~85 | |
Switch Time | ms | ≤20 | |
Durability | cycle | ≥1x109 | |
Maximum optical Power | mW | ≤500 | |
Switch Mode | Non-latching | ||
Control Voltage | V | 5±0.25v | |
Dimension | mm | 75×30×13 |
Table 2 Environmental conditions
NO | PARAMETER | SPECIFICATION | UNITS | NOTE |
3.2 | Storage Temperature | -40~85 | °C | |
3.3 | Operation Humidity | 5~95 | %RH | |
3.4 | Storage Humidity | 5~95 | %RH |
Table 3 Pigtail and connector type/length
NO | PARAMETER | SPECIFICATION | UNITS | NOTE |
4.1 | Fiber Type | SM:G657A2 or G657B3 250um bare fiber MM:Corning OM1 multimode fiber (62.5/125) | ||
4.2 | Fiber Pigtail(All Ports) | 900um loose tube | ||
4.3 | Fiber Length(All Ports) (customer specify） | 1.00±0.05（customer specify） | m | with connector length |
4.4 | Optical Connector (All port) | None （customer specify） |
5、机械尺寸图：
6、 电接口引脚定义
Table 4 Electronic PIN Definition
Pin | Signal Name | Description | I/O | specifications | Unit |
1 | NC | No connect | |||
2 | VCC | DC Power supply | Power | 5~12 | VDC |
3 | STROBE | Strobe signal,The falling edge of the effective | IN | TTL | |
4 | GND | Ground | Power | ||
5 | D0 | Data 0 Input | IN | TTL | |
6 | D1 | Data 1 Input | IN | TTL | |
7 | D2 | Data 2 Input | IN | TTL | |
8 | NC | No connect | |||
9 | TXD | UART Serial data output | OUT | TTL | |
10 | RXD | UART Serial data Input | IN | TTL | |
11 | GND | Ground | Power | ||
12 | NC | No connect | |||
13 | D3 | Data 3 Input | IN | TTL | |
14 | Reset | Active-low reset | IN | TTL |
