High reliability analog 1550nm DFB CWDM laser diode
These CWDM lasers are optimal light sources for high-capacity long-haul optical transmission systems.

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Features
Analog bandwidth higher than 1000MHz;
High-reliability CWDM laser chip working;
Built-in InGaAs monitor photodiode, and isolator (optional);
4-pin coaxial pigtailed package, single mode fiber with FC/APC or SC/APC connector(or other connector type);
Standard output power (1.5~2.0mW) or higher output power(4mW) are available.

Applications
Fiber optical repeater systems;
CATV transmission systems (return paths/links);
Other analog applications.

Electro-Optical Parameters

Parameters

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

Peak Optical Output Power

PO

If=Ith+20mA

1.8

2

-

mW

Threshold Current

Ith

TL=25℃

-

10

15

mA

Laser Forward Voltage

Vlf

CW

-

1.2

2.0

V

Monitor Current

Irmon

CW, If=Ith+20mA, VRD=5V

100

-

800

μA

Monitor Dark Current

ID

IF=0mA, VRMON=5V

-

0.01

0.2

μA

Capacitance (PD)

Ct

Vrd=5V, f=1MHz

-

5

15

pF

Center Wavelength

λC

CW. If=Ith+20mA, **=n

1547

1550

1553

nm

Optical Isolation

-

T=25℃

30

-

-

dB

Tracking error

TE

Im hold(@Pf=1mW(25℃))

-1

-

1

dB

Spectral Width(-20dB)

△λ

Po = 2mW, TC =0 to 70℃

-

0.1

1

nm


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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