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2019 - 09 - 24
The GITEX, which was founded in 1980, is a large and successful computer, communication & consumer electronics exhibition in the Middle East. It is one of the top three IT exhibitions in the world.
2
2019 - 09 - 29
The 45th European Conference on Optical Communication (ECOC)2019 was held in Dublin, Ireland from 23 to 25th September and was covered by topics like fibers, fiber and free space devices and fiber amplifiers, integrated optoelectronic devices and optical processors, digital signal handling techniques, a theory of optical communications, photonics for free space, 5g, and microwave applications, physical infrastructure for fiber-based networks.Now that 5G is becoming a commercial reality, optical network technologies for what is coming beyond 5G. Specific topics will include technology and non-t...
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2019 - 09 - 10
China International Optoelectronic Expo has been successfully held for 20 consecutive years and has developed into the world's largest, influential and authoritative comprehensive exhibition of optoelectronic industry.    This exhibition, in addition to conventional products. Xundakon has exhibited a variety of newly developed products, including fiber optic flexible boards, MINI WDM, fiber optic isolators, DWDM and so on.
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产品名称:

WDM-PD

WDM PD is a device which can tranform the transmitted optical signal to electronic signal while choosing the different wavelength.

PD is worked under the effection of backward voltage, when there is no light shine, the  reverse current is very low, which called dark current ; when there is light shine, the  reverse current suddenly increase to several microamp ere, which called light  electric current. The reverse current is big while the light power is high. The electric current changes according to the power of light changes, then the light signal can be changed to electrical signal, which called  photo-electronic light sensors. 


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l   Low insertion loss & high isolation

l   Optical path epoxy free

l   Telcordia compliant

l   RoHS compliant


Optical & Electrical Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Test Condition 

Wavelength Range

λ

1310 Reflection band:1260~1360

1490 Reflection band: 1480~1500

1550 Pass band: 1550~1560

nm

-

Reflection Insertion loss

IL

≤0.60

dB


Reflection Isolation

Iso

≥15

dB


Return loss

RL

≥45

dB


Power Range

P

-70

-

+3

dBm

V,=5V

Active Diameter

Ad

25


80

um

-

Dark Current

Id

-

0.2

0.5

nA

-

Responsivity

R

-

0.85

0.90

A/W

λ=1310 nm


0.90

0.95

λ=1550 nm

Frequency Bandwidth

BW

1


10000

MHz


Frequency Response

Fr

-

±0.5

-

dB


Capacitance

Ct

-

0.5

0.65

Pf

-

Response Time

Tr

-

-

1

ns

-

Operating Temperature range


-40~+85


Storage Temperature range


-40~+85



Pin table

WDM-PD

l   CATV system

l   WDM channel monitoring WDM

l   FTTX system

l   Channel monitoring

l   Optical line protection


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