Datasheet

DFB-1550-14DL

Single frequency distributed feedback laser diode module designed for optical measurement and communication. The laser is packaged in 14pinDIL package with monitor photodiode and thermo-electric cooler (TEC). Module is pigtailed with 0.5-0.9 m of single mode or polarization maintaining (optional) fiber and connectorized by FC/APC connector.

Optical and electrical characteristics:
Parameter Symbol Test condition Min. Typ. Max. Unit
Optical Power Pf CW 5 10 mW
Pulsed Optical Power Pfp Pulse, τ=10µs, D=1% 15 mW
Treshold Current Ith 5 10 15 мА
Forward Current If Pf 40 70 mA
Pulsed Forward Current Ifp Pfp, τ=10µs, D=1% 120 mA
Forward Voltage Vf Pf 2.5 V
Center Wavelength λc Pf 1545 1550 1555 nm
Spectral Width Δλc Pf 5 10 MHz
Side Mode Suppression Ratio SMSR 35 40 dB
Single-Frequency Continuous Tuning Range Δf 2 nm
Current Tuning Δλ/ΔI 0.002 nm
Temperature Tuning Δλ/ΔT 0.09 nm
Monitor Current Im Pf 20 500 µA
PD Dark Current Id Vrd=5V 0.1 µA
TEC Current It It 1.4 A
TEC Voltage Vt TC=70°C 2.7 V
Thermal Resistance R0 T=25°С, B=3900±100K 9.5 10 10.5
Extinction Ratio (PM fiber) Xp Pf 20 dB

Packaging:
14pinDIL:
Parameter Parameter
1 Cooler anode + 8 PD anode -
2 NC 9 LD cathode -
3 NC 10 NC
4 NC 11 Thermistor
5 LD anode + 12 Thermistor
6 NC 13 NC
7 PD cathode + 14 Cooler cathode -