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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

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±0.05customer specify

m

with connector length

4.4

Optical Connector (All port)

None customer specify



 

5、机械尺寸图:

                                                                20201127_142505.png

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