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1420nm 500mW PM FP laser diode with FBG
This is a 1.4um band pump laser module developed for fiber Raman amplifiers. It features an output power of up to 500mW, polarization-maintaining fiber output, 14-pin butterfly package, and integrates built-in TEC, PD, and thermistor.
Product features:Features:High output power; FBG frequency stabilization technology; Multi-longitudinal mode characteristics; High-reliability package; Low-noise design
Part Number:MP-FP-1420-500-14BF-PA-FBG
Application area:Fiber laser pumping | Industrial processing | Medical equipment | Scientific research experiments | Optical fiber sensing
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Center Wavelength Output Power
1420nm 500mW

Technical Parameters
Technical Parameters: Electro-Optical Characteristics (TFBG=25℃, TLD=25℃, TC=25℃)
Parameter | Symbol | Test Condition | Min. | Typ. | Max. | Unit |
Threshold Current | Ith | - | - | - | 180 | mA |
Center Wavelength | λC | at rating output power, RMS (-20dB) | λC−1.0 | λC | λC+1.0 | nm |
Spectral Width | Δλ | at rating output power, -10dB | - | - | 3.5 | nm |
PD Monitor Current | Im | at rating output power, VRD=5V | 100 | - | 2000 | μA |
PD Dark Current | Id | VRD=5V | - | - | 0.1 | μA |
Tracking Error | ΔPf | Im=const., TC=−20 to 70∘C | -0.5 | - | 0.5 | dB |
Thermistor | Rth | TLD=25∘C, B=3900±100K | 9.5 | 10 | 10.5 | kΩ |
Polarization Extinction Ratio | Xp | at rating output power | 17 | - | - | dB |
Absolute Maximum Ratings
Parameter | Symbol | Value | Unit |
LD Forward Current | IF | 2200 | mA |
LD Reverse Voltage | VR | 2 | V |
PD Forward Current | IFD | 10 | mA |
PD Reverse Voltage | VRD | 20 | V |
Case Operating Temperature | TC | -20 to +70 | °C |
Storage Temperature | Tstg. | -40 to +85 | °C |
Cooler Current | IC | 5.8 | A |
*Exceeding absolute maximum ratings may cause device failure.
Optical Output Power, COOLER Characteristics and Power Consumption (TLD=25℃)
Center Wavelength λC | Rated Output Power Pf [mW] | LD Current IF BOL [A] | Forward Voltage VF | Cooler Current IC EOL [A] | Cooler Voltage VC EOL [V] | |
BOL [V] | EOL [V] | |||||
1420 to 1499 nm | 300 | 1150 | 2.0 | 2.3 | 2.20 | 2.70 |
320 | 1200 | 2.0 | 2.3 | 2.20 | 2.70 | |
340 | 1300 | 2.0 | 2.3 | 2.30 | 2.80 | |
350 | 1400 | 2.0 | 2.3 | 2.35 | 2.85 | |
360 | 1400 | 2.0 | 2.3 | 2.40 | 2.90 | |
380 | 1400 | 2.0 | 2.3 | 2.45 | 2.95 | |
400 | 1400 | 2.0 | 2.3 | 2.50 | 3.00 | |
1420 to 1485 nm | 420 | 1600 | 2.2 | 2.5 | 2.60 | 3.10 |
450 | 1700 | 2.2 | 2.5 | 2.70 | 3.20 | |
500 | 1800 | 2.2 | 2.5 | 2.90 | 3.40 |
*Note: IF_EOL=IF_BOL×1.2, Maximum Value.
Polarization-Maintaining Pigtail Parameters
Parameter | Min. | Typ. | Max. | Unit |
Cutoff Wavelength | 1300 | - | 1400 | nm |
Mode Field Diameter (MFD) @1550nm | 10.0 | 10.5 | 11.0 | μm |
Cladding Diameter | 124 | 125 | 126 | μm |
UV Coating Diameter | 230 | 245 | 260 | μm |
FBG Wavelength Temperature Coefficient | - | 0.01 | 0.02 | nm/°C |
Bend Radius | 30 | - | - | mm |
Product Characteristics
Pin Definition
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