1.5um (2+1) x1 Pump and Signal Combiner

DK Photonics’ (2+1) x1 Multimode Pump and Signal Combiner is designed for high power applications. It features exceptional optical characteristics. These devices can combine N pump lasers and 1 signal channel into one fiber and create a high power pump laser source, delivering the combined power for applications in industrial, military, medical and telecommunications markets. It has a heat sink package and a hole for temperature monitoring.

DK Photonics’ Multimode Pump and Signal Combiners offer efficient power transfer for high power applications like direct diode materials processing and pump cascading with a maximum conservation of brightness. The Multimode Combiners can be designed to meet a wide range of power handling configurations, number of input fibers and adaptation to different fiber types.

Performance Specifications (Typical Configuration)

PARAMETERS	VALUES
Signal Operating Wavelengths	1530-1575nm
Pump Operating Wavelengths	780-1000nm
Number of Multimode Inputs	2
Number of Signal Ports	1
Number of Output Ports	1
Pump Input Fiber	105/125µm, NA0.22
Signal Input Fiber	SM-GDF-1550 (9/125µm,NA0.12/0.46)
Output Fiber	SM-GDF-1550 (9/125µm, NA0.12/0.46)
Min. Pump Efficiency	90%
Max. Signal Insertion Loss	0.50dB
Power per Multimode Input	50W
Optical Return Loss – Pumps	>35dB
Optical Isolation	>20dB
Max. M²	1.3
Operating Temperature	0~75℃
Storage Temperature	-40~85℃

Remark:

Other configuration and higher power handling can be customized.
Other pump fibers 106.5/125µm, NA0.22, or 135/155µm, NA0.22 can be customized.
All combiners default with bare fiber, 0.8m length of pigtail, please contact us for special request.

General Configuration for (2+1) x1 Combiner-1.5µm fiber laser:

TYPE	SIGNAL WAVELENGTH(NM)	PUMP FIBER	INPUT SIGNAL FIBER	OUTPUT FIBER	MAX. SIGNAL IL	MIN. PUMP EFFI.	MAX. POWER HANDLING
(2+1) ×1	1530-1575	105/125 0.22	SMF-28	SM-GDF-1550(or DCF-UN-8/125-14)	0.5dB	90%	50W/leg
(2+1) ×1	1530-1575	105/125 0.22	SM-GDF-1550	SM-GDF-1550	0.5dB	90%	50W/leg
(2+1) ×1	1530-1575	105/125 0.22	12/130 DC	12/130 DC	0.5dB	90%	50W/leg
(2+1) ×1	1530-1575	105/125 0.22	12/130 DC	25/300 DC	0.7dB	95%	100W/leg

Remark:

Other configuration and higher power handling can be customized.
Other pump fibers 106.5/125µm, NA0.22, or 135/155µm, NA0.22 can be customized.
All combiners default with bare fiber, 0.8m length of pigtail, please contacts us for special request.
(1+1) x1 combiner also applies to the above specifications.

Package Dimension

Package Type	P1	P2	P3	P4
Dimensions (mm)	Ф4.0×60	65x12x7	80x12x8	100x15x10

Due to ongoing design improvements, the package size is subject to change. According to the different configuration, power handling, and fiber core diameter, we will choose the appropriate package size. Please contact DK Photonics for confirmation.
High power device package must be mounted onto heat sink (active cooling is suggested) with thermal paste.

Download Drawing in PDF:

Order information

P/N: PSC-A-B-C-D-E-F-G-H

When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better.

A	B	C	D	E	F	G	H
Port	Pump Type	Signal Wavelength	Power per Multimode Input	Pump Fiber	Signal Fiber	Output Fiber	Fiber length
11: (1+1)X1 21: (2+1)X1 61: (6+1)X1	F:Forward pump B:Backward pump	15:1550nm	05:5W 10:10W 25:25W 50:50W XX: Other	XXX (fiber code)	XXX (fiber code)	XXX (fiber code)	08:0.8m(default) 10:1.0m 20:2.0m

Part Number Example: PSC-21-F-15-25-105/125/022-12/130/20D-12/130/20D-08

Description:(2 + 1) x 1 Pump and Signal Combiner,1550nm signal wavelength Forward pump,25W per pump power, 105/125µm,0.22NA input pump fiber, 12/130DC input signal fiber, 12/130DC output fiber, 0.8m fiber length.

Ordering Information for Custom Parts:

If you need to customize other specifications, please provide detailed description for your requirement.

Product

(N+1)x1 Pump & Signal Combiner

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