Datasheet

DFB-1550-8DL
Download Datasheet:
DFB-1550-8DL.pdf
Single frequency distributed feedback laser diode module designed for optical measurement and communication. The laser is packaged in miniDIL package with monitor photodiode. 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/mA
Temperature Tuning Δλ/ΔT 0.09 nm/°C
Monitor Current Im Pf 20 500 µA
PD Dark Current Id Vrd=5V 0.1 µA
Extinction Ratio (PM fiber) Xp Pf 20 dB

Packaging:
miniDIL:
№ Parameter № Parameter
1 NC 5 PD anode -
2 LD anode + 6 LD -, case
3 LD -, case 7 NC
4 PD cathode + 8 NC
Emission spectrum:
L‑I characteristic:
V‑I characteristic: