Central wavelength 785nm; Optical output 10mW; Narrow linewidth <1MHz; with TEC; Pigtail Length 1.0±0.1m; PM780; FC/APC
| Part Number : PL-NL-785-A-A81-PA-PZT |
| Unit Price : USD [Please inquire] |
| Lead time : in stock |
| Inventory quantity : [Please inquire] |
| Stock NO. : A80111038 |
| Email UsRequest for Quotation |
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The PL-NL series Fiber Bragg Grating laser 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).
Optical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Center Wavelength | λc | TL=15~35℃ CW | 780 | 785 | 790 | nm |
Peak Optical Output Power | PO | - | - | 10 | 20 | mW |
Spectral linewidth | LW | - | - | 1 | 10 | MHZ |
Side-mode Suppression Ratio | SMSR | CW | 30 | 40 | - | dB |
Optical Isolation | - | -10 < TC < +70 ºC | 30 | - | - | dB |
Polarization Extinction Ratio | ER | - | 20 | - | - | dB |
Relative Intensity Noise | RIN | CW,output power 5mW | - | - | -135 | dB |
Wavelength drift with case (-10 to 70 ºC) temperature | △λ | TL=15~35℃ | - | - | ±30 | pm |
Tuning Range(For PZT Version) | Δf | 0.5 | 1 | nm | ||
PZT Driving Voltage( PZT Version) | VT | 0 | 150 | V | ||
Mode Hope free Range | ΔI | 3 | mA |
Electrical Characteristics (at 25 °C laser temperature)
Parameter | Symbol | Condition | Min. | Typical | Max. | Unit |
Threshold Current | ITH | - | - | 45 | 65 | mA |
Operating Current | Iop | CW | - | 80 | 100 | mA |
Slope Efficiency | ƞ | CW output power 30 mW | 0.064 | 0.1 | 0.4 | mW/mA |
TEC set temperature | Ts | - | 15 | - | 35 | ℃ |
Laser Forward Voltage | VF | CW output power@30 mW | - | 1.3 | 2.5 | V |
Input Impedance | ZIN | 22 | 25 | 28 | Ω | |
Monitor Dark Current | ID | - | - | - | 0.1 | μA |
Thermistor Current | ITC | - | 10 | - | 100 | μA |
Thermistor Resistance | RTH | TLD=25°C | 9.5 | 10 | 10.5 | KΩ |
TEC Current | ITEC | TLD=25°C, TC=70°C | - | - | 1.8 | A |
TEC Voltage | VTEC | IF=EOL, TC=70°C | - | - | 3.5 | V |
TEC capacity | ΔT | Tc = 70℃ | - | - | 50 | ℃ |
Thermistor temperature | - | - | - | - | 100 | ℃ |
Spectrum

L-I Curve

Linewidth Testing Result

Wavelength VS PZT Voltage

Beam Quality(M2,2D/3D Beam)



Fiber Pigtail Specifications
Parameters | Description |
Fiber Type | PM fiber |
Jacket Type | 900μm loose tube |
Pigtail Length | 1.0±0.1m |
Connector Type | FC/APC |
PM fiber Connector Orientation | Please see the right figure |

Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked