Product Description

High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode is mainly used as the optical signal for high-capacity long-distance optical communication, as well as a wide range of new applications such as fiber sensing, 3D sensing, gas sensing, and disease diagnosis such as respiratory and vascular monitoring. In the field of gas sensing, it is used as the light source for gas sensors that detect methane gas leaks around factory pipes.

Product Detail

1. Summary of High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

1550nm DFB Fiber Coupled Butterfly Laser Diode is mainly used as the optical signal for high-capacity long-distance optical communication, as well as a wide range of new applications such as fiber sensing, 3D sensing, gas sensing, and disease diagnosis such as respiratory and vascular monitoring. In the field of gas sensing, it is used as the light source for gas sensors that detect methane gas leaks around factory pipes.

BoxOptronics provides DFB-LD with wavelengths from 1270nm to 1610nm, which have been used in various applications.

BoxOptronics DFB-LD modules comply with the RoHS directive. The module has a 14-pin butterfly shape and includes TEC for temperature control and PD for optical output monitor.

2. Introduction of High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

1550nm DFB Fiber Coupled Butterfly Laser Diode is mainly used as the optical signal for high-capacity long-distance optical communication, as well as a wide range of new applications such as fiber sensing, 3D sensing, gas sensing, and disease diagnosis such as respiratory and vascular monitoring. In the field of gas sensing, it is used as the light source for gas sensors that detect methane gas leaks around factory pipes.

BoxOptronics provides DFB-LD with wavelengths from 1270nm to 1610nm, which have been used in various applications.

BoxOptronics DFB-LD modules comply with the RoHS directive. The module has a 14-pin butterfly shape and includes TEC for temperature control and PD for optical output monitor.

3. Features of High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

Optical output examples: 1310nm/40mW, 1550nm/10mW,20mW, 100mW, 1653nm;

Center wavelength 1550nm;

14-pin butterfly package;

Includes optical isolator, monitor photo diode, and cooler;

FC/APC or FC/PC fiber coupled connector.

4. Application of High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

CATV system;

CWDM/DWDM optical communication;

LAN, WAN and metro networks;

CW 1550nm laser source.

5. Electro-Optical Characteristics(T = 25℃) of High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λc TL=15~35℃ CW 1548 1550 1552 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 High Power 1550nm DFB Fiber Coupled Butterfly Laser Diode

Type 1

Type 2

7. Deliver,Shipping And Serving of High Power 1550nm DFB Fiber Coupled 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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