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976nm 680mW SM Pumping Laser
Optional peak wavelength, optional output power, and optional FC/APC connector.
Product features:Single-mode fiber output; high power stability; narrow linewidth characteristic; low noise design; industrial-grade package
Part Number:MP-FP-976-680-14BF-SM
Application area:Fiber Amplifier Pumping | Fiber Lasers | Coherent Optical Communication | Fiber Optic Sensing | Quantum Technology
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Center Wavelength Output Power
976nm 680mW

Model Parameters
Parameter | Symbol | Min | Typ | Max | Unit |
Center Wavelength | λ | 974 | 976 | 980 | nm |
Spectral Width | Δλ | 0.6 | 0.8 | 2.0 | nm |
Threshold Current | Ith | – | 90 | 110 | mA |
Operating Current | Iop | – | 120 | 150 | mA |
Fiber Output Power | Pf | 400 | 600 | 1000 | mW |
Wavelength Tuning vs. Temperature | Δλ/T | – | – | 0.01 | nm/°C |
Tracking Ratio (0.1Pop < Pf < Pop)¹ | TR | 0.52 | – | 1.48 | – |
Tracking Error² | TE | −48 | – | 48 | – |
PD Monitor Responsivity | IBF | 0.5 | – | 5 | μA/mW |
Thermal Resistance (Tset = 25°C)³ | Rth | – | 20K | – | ohm |
PD Dark Current (VRD = 5 V) | Id | – | – | 0.1 | μA |
Extinction Ratio (PM Version) | PER | 17 | 20 | – | dB |
Fiber Type | HI1060 | ||||
Forward Voltage | Vf | – | 1.8 | 2.6 | V |
Thermistor Resistance | RT | 9.5 | 10 | 10.5 | kΩ |
Thermistor Temperature Efficiency | – | – | -4.4 | – | %/°C |
Output Connector | – | – | None or FC/APC | – | – |
HI1060 Fiber Characteristics & Tolerances
Parameter | Value |
Cut-off Wavelength | 920 nm |
Maximum Attenuation | 2.1 dB/km |
Cladding Diameter | 125 μm |
Coating Diameter | 250 μm |
Core-Cladding Concentricity Error | ≤ 0.5 μm |
Mode Field Diameter | 5.9 μm |
Pin Definitions
Pin | Description | Pin | Description |
1 | Thermoelectric Cooler (+) | 8 | N/C |
2 | Thermistor | 9 | N/C |
3 | PD Monitor Anode (-) | 10 | Laser Anode (+) |
4 | PD Monitor Cathode (+) | 11 | Laser Cathode (–) |
5 | Thermistor | 12 | N/C |
6 | N/C | 13 | Case Ground |
7 | N/C | 14 | Thermoelectric Cooler (–) |
Ordering Information

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