High Power (6+1)×1 Polarization Maintaining Backward Pump & Signal Combiner

The High Power (6+1)×1 Polarization Maintaining Backward Pump & Signal Combiner enables highly efficient combining of the powers from up to 6 multimode pump diodes into a double cladding output fiber. Meanwhile, it can transmit several kW signal power with extremely low insertion loss from the opposite direction of the pump light. Available for different fiber types.

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Product Detail

Key Features	Applications
High Power Handling	High Power Fiber Laser
High Coupling Efficiency
Proprietary Fiber Tapering Technique

Specifications

Parameter	Unit	Value
Product Type	—	Backward PM (6+1)×1
Pump Wavelength	nm	976
Signal Wavelength	nm	1080
Fiber Type for Pump Input	—	200/220DCF 0.22NA
Fiber Type for Signal Input	—	20/400DCF 0.065/0.46NA
Fiber Type for Signal Output	—	20/400DCF 0.065/0.46NA
Max. Signal Channel Insertion Loss¹	dB	0.3
Min. Extinction Ratio²	dB	18
Min. Pump Efficiency³	%	98
Max. Input Signal Power⁴	W	2000
Max. Input Pump Power (Single)⁵	W	600
Max. Input Pump Power (Total)⁵	W	3600
Max. Backward Pump Power Handling⁶	W	300
Package Dimensions	mm	150(L) × 15(W) × 11(H)
Operating Temperature	℃	0 to + 50
Storage Temperature	℃	- 40 to + 85

¹Tested with mW class 1064nm light source

²Tested with mW class PM 1064nm light source

³Tested with 10w Pump.(95% Power NA ≈0.18) 4Without testing.Design guarantee

⁵Testing by 3600W 976nm Pump.(95% Power NA ≈0.18)

⁶Testing by 300W Cladding Power Pump.

Optical Combiner

High Power (6+1)×1 Polarization Maintaining Backward Pump & Signal Combiner

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