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1x3 3x3 Polarization maintaing fiber coupler
FBT Coupler utilizes Fused Biconical Taper (FBT) technology and features low insertion loss, low polarization dependence, environmental stability.

File Name : Format: Size:

Description Feedback
Features
Low insertion loss and excess loss;
High extinction ratio;
Excellent environmental stability;
Ratio can be specify.

Applications
Fiber sensor;
Optical testing equipment;
Polarization maintaining fiber amplifier.

Electro-Optical Parameters

Parameter

Unit

Value

Grade

-

P

A

P

A

P

A

Configuration Type

-

1X3

3X3

Operating Wavelength

nm

780,830, 980,1064

1310,1480,1550,2000

1310,1480,1550,2000

Operating Bandwidth

nm

±20

±30

Additional Loss

dB

≤ 0.6

≤ 0.8

≤ 0.3

≤ 0.5

≤ 0.6

≤ 0.8

Extinction Ratio

dB

≥ 17

≥ 15

≥ 18

≥ 16

≥ 17

≥ 15

Coupling Ratio

dB

33: 33: 33

-

Directivity

dB

≥ 55

Max. Optical Power

w

2


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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