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(N+1)x1 Pump & Signal Combiner

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2.0um (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 2 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.

Features

  • High Power Transfer Efficiency
  • Low signal insertion loss
  • High power package
  • Freely selectable signal and pump wavelength
  • Custom Configurations Available

Applications

  • Pumping of fiber laser and amplifier
  • Pumping of multi-core and large mode area fibers (LMA)
  • Pump combiner for Nd & Yb & Er & Ho&Tm-fiber
  • Industrial-Biomedical-Telecommunication
  • Metrology-Life Science-Imaging-Quantum optics
  • Gravitational wave detection-Atom cooling and trapping
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 2 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
1950-2050nm
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
10/130µm, NA0.15/0.46
Output Fiber
10/130µm, NA0.15/0.46
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:
  1. Other configuration and higher power handling can be customized.
  2. Other pump fibers 106.5/125µm, NA0.22, or 135/155µm, NA0.22 can be customized.
  3. All combiners default with bare fiber, 0.8m length of pigtail, please contact us for special request.

General Configuration for (2+1) x1 Combiner-2.0µm fiber laser:

TYPE
SIGNAL WAVELENGTH(NM)
PUMP FIBER
INPUT SIGNAL FIBER
OUTPUT FIBER(DUAL CLADDING)
MAX. SIGNAL IL
MIN. PUMP EFFI.
MAX. POWER HANDLING
(2+1) ×1
1950-2050
105/125 0.22
SM1950
10/130µm, NA0.15/0.46
0.5dB
90%
50W/leg
(2+1) ×1
1950-2050
105/125 0.22
10/130µm, NA0.15/0.46
10/130µm, NA0.15/0.46
0.5dB
90%
50W/leg
(2+1) ×1
1950-2050
105/125 0.22
10/130µm, NA0.15/0.46
25/250µm, NA0.09/0.46
0.7dB
95%
100W/leg
(2+1) ×1
1950-2050
105/125 0.22
10/130µm, NA0.15/0.46
25/400µm, NA0.09/0.46
0.7dB
95%
100W/leg
Remark:
  1. Other configuration and higher power handling can be customized.
  2. Other pump fibers 106.5/125µm, NA0.22, or 135/155µm, NA0.22 can be customized.
  3. All combiners default with bare fiber, 0.8m length of pigtail, please contacts us for special request.
  4. (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
  1. 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.
  2. High power device package must be mounted onto heat sink (active cooling is suggested) with thermal paste.
Download Drawing in PDF:Pump and Signal Combiner

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
F:Forward pump
B:Backward pump
2000:2000nm
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-2000-25-105/125/022-10/130/15D-10/130/15D -08
Description: (2 + 1) x 1 Pump and Signal Combiner, 2000nm signal wavelength Forward pump, 25W per pump power, 105/125µm,0.22NA input pump fiber, 10/130µm, NA0.15/0.46 input signal fiber, 10/130µm, NA0.15/0.46 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.