Product Description

The 1550nm 50mW DFB SM Fiber Coupled Laser Diode is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).

Product Detail

1. Summary of 1550nm 50mW DFB SM Fiber Coupled Laser Diode

The 1550nm 50mW DFB SM Fiber Coupled Laser Diode is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).

2. Introduction of 1550nm 50mW DFB SM Fiber Coupled Laser Diode

The 1550nm 50mW DFB SM Fiber Coupled Laser Diode is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).

3. Features of 1550nm 50mW DFB SM Fiber Coupled Laser Diode

Optical output: 50mW;

Center Wavelength 1310nm or 1550nm;

14-pin butterfly package;

Internal monitor PD and TEC;

Single mode fiber pigtail or PM fiber pigtail (optional).

4. Application of 1550nm 50mW DFB SM Fiber Coupled Laser Diode

LAN, WAN and metro networks;

C/DWDM systems;

Laser sources.

5. Electro-Optical Characteristics(T=25℃) of 1550nm 50mW DFB SM Fiber Coupled Laser Diode

Parameter Symbol Condition Min. Typ. Max. Unit
Center Wavelength λc TL=15~35℃ CW 1548 1550 1552 nm
Optical Output Power PO - 50 - - mW
Threshold Current ITH - - 10 35 mA
Slope Efficiency ƞ CW output power 20mW 0.05 0.20 0.40 mW/mA
Operating current Iop PO= 40mW(CW) - 350 - mA
Spectral linewidth LW FWHM - 3 - MHz
Laser Forward Voltage VF CW output power 40mW - - 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 35 - dB
TEC set temperature Ts - 15 - 35
Thermistor Current ITC - 10 - 100 μA
Thermistor Resistance RTH TL = 25 °C 9.5 10 10.5
TEC Current ITEC TL = 25 °C, TC = 70℃ - - 1.5 A
TEC Voltage VTEC TL = 25 °C, TC = 70℃ - - 3.5 V
TEC capacity ΔT Tc = 70℃ - - 50 °C
Thermistor temperature - - - - 100 °C
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 1550nm 50mW DFB SM Fiber Coupled Laser Diode

  • Type 1

  • Type 2

7. Deliver,Shipping And Serving of 1550nm 50mW DFB SM Fiber Coupled 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 is the applications and wavelength accuracy?

A: Box optronics can provide CWDM and DWDM wavelength for choice.

Q: What is the optical connector you requirement?

A: Box optronics can customize the optical connector according the requirement for free.

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