1xN Single mode fiber WDM
The single mode fiber coupler has precise operating wavelength and coupling ratio.

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Features
Low Insertion Loss;
High Return Loss;
Low Correlation Polarization Loss;
High Stability&Reliability;
High isolation.

Applications
Optical fiber communication network;
Power distribution of high power optical fiber amplifier(YEDFA);
Fiber optic sensor system;
Fiber optic instrumentation.

Electro-Optical Parameters

Parameters

1×4 SSC

1×4 WBC

1×4 DWC

1×4 TWC

Center Wavelength

1310 / 1550

1310,1550

1310 ,1490,1550

Wavelength Range

±15

±40

±40

±40(1490±10)

Grade

P

A

P

A

P

A

P

A

Additional Loss

≤ 0.15

≤ 0.25

≤ 0.20

≤ 0.30

≤ 0.30

≤ 0.40

≤ 0.30

≤ 0.40

Insertion Loss

≤ 7.00

≤ 7.40

≤ 7.10

≤ 7.40

≤ 7.20

≤ 7.50

≤ 7.20

≤ 7.50

Correlation Polarization Loss

≤ 0.20

≤ 0.25

≤ 0.20

≤ 0.25

≤ 0.25

≤ 0.30

≤ 0.25

≤ 0.30

Heterogeneity

≤ 1.00

≤ 1.40

≤ 1.20

≤ 1.60

≤ 1.40

≤ 1.80

≤ 1.40

≤ 1.80

Return Loss

≥ 55

Operating Temperature

-40~+85


Package

Original Carton Package;
As customers‘ requirement.

Shipping
5-10 Working days after receive the payment;
Shipment: Air transportation(DHL / UPS / TNT / Fedex / EMS / CHINA POST);
Shipping fee depends on the weight and size.


Payment
For large orders: T/T, Credit card;
For small orders: Paypal are accepted.
 
Warranty
All products have been tested before shipping out;
All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.) 
 
Refund & Replacement
We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);
If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;
If the items are defective, please notify us within 3 days of delivery;
Any items must be returned in their original condition to qualify for a refund or replacement;
The buyer is responsible for all the shipping cost incurred.
 
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Contact: Lydia Liu
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