1653.7nm DFB lasers come with hermetic packaging configurations designed for excellent temperature stability and wavelength tuning.
Features
High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser;
Industry-standard, wavelength stabilization;
Single mode TO39 package;
1653.7nm Wavelength.
Imported DFB chip, built-in TEC and NTC;
Stable wavelength and high power output;
Small package;
With collimating lens.
Reliability: Telcordia GR-468. RoHS
Applications
Laser gas analysis and detection system.
CH4 gas detection CH4 Sensors .
Electro-Optical Parameters Parameter Symbol Condition Min. Typ. Max. Unit
Peak Optical Output Power:PO CW 3 5 - mW
Threshold Current:ITH CW - 12 18 mA
Operating Current:Iop CW, 5mW - - 80 mA
Operating Voltage:Vop CW, 5mW - 1.5 2.0 V
Slope efficiency：ƞ CW, 5mW 0.05 0.1 - mW/mA
Peak wavelength：λp CW, 5mW@25℃ 1652.2 1653.7 1655.2 nm
Side-mode Suppression Ratio：SMSR CW 35 - dB
Spectral width(20dB)：- CW, 5mW - 0.2 - nm Wavelength
Temperature coefficient：Δλ/ΔT TEC temperature at 15℃ to 35℃ - 0.1 - nm/℃
Wavelength Current coefficient：Δλ/ΔΙ - - 0.01 - nm/mA
Thermistor：Rth Ttherm = 25℃ 9.5 10 10.5 kΩ
