Product Description

1570nm DFB Butterfly Laser Diode Provide in a standard 14-pin butterfly mount, these laser diodes have a built in monitor photodiode, Peltier effect thermoelectric cooler, thermistor, and optical isolator. The SMF28 or PM fiber optical output fibre can be terminated with SC/PC, FC/PC, SC/APC, or FC/APC connectors.

Product Detail

1. Summary of 1570nm DFB Butterfly Laser Diode

1570nm DFB Butterfly Laser Diode Provide in a standard 14-pin butterfly mount, these laser diodes have a built in monitor photodiode, Peltier effect thermoelectric cooler, thermistor, and optical isolator. The SMF28 or PM fiber optical output fibre can be terminated with SC/PC, FC/PC, SC/APC, or FC/APC connectors.

2. Introduction of 1570nm DFB Butterfly Laser Diode

1570nm DFB Butterfly Laser Diode Provide in a standard 14-pin butterfly mount, these laser diodes have a built in monitor photodiode, Peltier effect thermoelectric cooler, thermistor, and optical isolator. The SMF28 or PM fiber optical output fibre can be terminated with SC/PC, FC/PC, SC/APC, or FC/APC connectors.

3. Features of 1570nm DFB Butterfly Laser Diode

Center wavelength 1570nm;

Output power 10mW or 20mW;

14-pin butterfly package;

Includes optical isolator, monitor photo diode, and cooler;

4. Application of 1570nm DFB Butterfly Laser Diode

CATV system;

CWDM/DWDM optical communication;

LAN, WAN and metro networks;

CW 1570nm laser source.

5. Electro-Optical Characteristics(T = 25℃) of 1570nm DFB Butterfly Laser Diode

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λc TL=15~35℃ CW 1568 1570 1572 nm
Optical Output Power PO - 10 - - mW
Threshold Current ITH - - 10 35 mA
Slope Efficiency ƞ CW output power 5mW 0.05 0.11 0.2 mW/mA
Operating current Iop PO= 10 mW (CW) - 100 200 mA
Spectral linewidth LW FWHM - 3 - MHz
Laser Forward Voltage VF CW output power 10mW - 1.2 3.0 V
Monitor Dark Current ID - - - 0.1 μA
Bandwidth(@-3dB) BW - - 2.5 - GHz
Side-mode Suppression Ratio SMSR CW 35 40 - dB
Optical Isolation - -10 < TC < +70℃ 30 - - dB
Relative Intensity Noise RIN CW, output power 5mW - -145 - dB
TEC set temperature Ts - 15 - 35
Input Impedance ZIN - 22 25 28 Ω
Thermistor Current ITC - 10 - 100 μA
Thermistor Resistance RTH TL = 25℃ 9.5 10 10.5
TEC Current ITEC TL = 25℃, TC = 70℃ - - 1.5 A
TEC Voltage VTEC TL = 25℃, TC = 70℃ - - 3.5 V
TEC capacity ΔT Tc = 70℃ - - 50
Thermistor temperature - - - - 100
Wavelength Drift (EOL) △λ Tested over
25-year lifetime
- - ±0.1 nm
Wavelength Temperature coefficient Δλ/ΔT TEC temperature
at 15℃ to 35℃
- 0.09 - nm/℃
Wavelength Current coefficient Δλ/ΔΙ - - 0.01 - nm/mA

6. Package drawing&PIN-OUT Definition(Unit:mm) of 1570nm DFB Butterfly Laser Diode

Type 1

Type 2

7. Deliver,Shipping And Serving of 1570nm DFB Butterfly Laser Diode

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.)

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.

8. FAQ

Q: what wavelength would you like?

A: we have large wavelengths from 1270nm to 1650nm.

Q: What is the requirement for the output power?

A: We have 10mW and 20mW options,we can also customize according to your requirements.

Q: What fiber type would you like?

A: SM fiber or PM fiber.

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