Central wavelength 780nm, Output power 30mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, PM 850Fiber, With isolator, FC/APC
| Part Number : PL-DFB-0780-B-A81-PA |
| Unit Price : USD [Please inquire] |
| Lead time : [Please inquire] |
| Inventory quantity : [Please inquire] |
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The PL-DFB-780-A-A81 780nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14 pin butterfly package with TEC and PD Built in.We built in isolator in butterfly package to Protection Against Optical Damage and improve Frequency and Power Stability.
Electrical/Optical Characteristics (Tsub=25°C, CW bias unless stated otherwise)
Parameter | Symbol | Min | Typ | Max | Unit |
Centre Wavelength | λ | 779.0 | 780.0 | 781.0 | nm |
Side Mode Suppression Ratio | SMSR | 40 | 50 | 70 | dB |
Isolation degree | ISO | 28 | 30 | dB | |
Threshold Current | Ith | 50 | 70 | mA | |
Operating Current | Iop | 150 | 250 | mA | |
Power in fiber | Pf | 30 | 40 | 80 | mW |
Quantum Efficiency | η | 0.2 | mW/mA | ||
Current Tuning Coefficient | ∆λ/∆I | 0.001 | nm/mA | ||
Temperature Tuning Coefficient | ∆λ/∆T | 0.06 | nm/deg | ||
Forward Voltage | Vf | 1.3 | 2 | V | |
Thermistor Resistance | RT | 9.5 | 10 | 10.5 | KΩ |
Thermistor Temp. Coefficient | -4.4 | %/°C | |||
Fiber+Connector | HI780+FC/APC/PM780+FC/APC | ||||
Spectrum

Wavelength Tuning Ability

DFB Linewidth Testing Result

L-I Curve
