1x4 1x8 Polarization maintaing fiber coupler module
These couplers use three 50:50 fiber couplers to split a single input signal evenly into four output signals.

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Features
Low excess loss & low insertion loss;
High extinction ratio;
High stability and reliability.

Applications
Fiber gyroscope;
Fiber sensor;
Optical Testing equipment;
Coherent communication;
Polarization maintaining fiber amplifier.

Electro-Optical Parameters

Parameter

Unit

Value

Configuration Type

-

1X4

1X8

Center Wavelength

nm

1310,1550

980,1064

1310,1550

980,1064

Operating Wavelength Range

nm

±30

Extinction Ratio

Both axis working

dB

≥ 18

≥ 17

Fast axis blocked

dB

≥ 18

Return Loss

dB

≥ 50

Directivity

dB

≥ 50

≥ 45

Max. Optical Power

w

2

Fiber Type

-

PM Panda fiber

Package Dimensions

mm

18×80×120

10×160×160


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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Box Optronics Technology Company
Tel: +86 185 6577 1448
Contact: Lydia Liu
Email: sales@boxoptronics.com
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