6+1x1 MM Power Combiner PM signal feedthrough
A multimode combiner in a 6+1x1 configuration, with a PM signal feed-through fiber and a dual clad output fiber. Supported pump input wavelengths range from 900 – 1000 nm while signal input wavelengths range from 1530 – 1565 nm or 1030 – 1090 nm.Full Product Description
- Pump input wavelength:
- 900 to 1000 nm
- Signal input wavelength:
- 1550 or 1064 nm
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A multimode combiner in a 6+1x1 configuration, with a PM signal feed-through fiber and a dual clad output fiber. Supported pump input wavelengths range from 900 – 1000 nm while signal input wavelengths range from 1530 – 1565 nm or 1030 – 1090 nm. G&H proprietary manufacturing techniques allow the precise fusion of multimode pump fibers to a PM signal feed-through fiber and an PM dual clad output fiber, providing high coupling efficiency over a wide pump wavelength range.
Inclusion of the splice between the passive and active signal fiber within the combiner housing removes the need for an external splice reducing potential back-scatter to the pump sources. G&H power combiners can be fabricated from a range of industry standard fibers allowing ease of splicing to commercially available laser diodes, signal and gain fibers. Custom variants using non-standard fibers are available on request.
- High Coupling Efficiency
- High power handling
|Pump input wavelength||900 to 1000 nm|
|Signal input wavelength||1550 or 1064 nm|
|Signal transmission efficiency||≥ 80% (Typ > 85%) ²|
|Signal PER (polarization extinction ratio)||> 20 dB|
|Return loss/directivity||> 40 dB|
|Operating temperature||0° C – +75° C|
|Storage temperature||-40° C – +85° C|
|Pump input fiber NA||0.15||0.22|
|Pump (MM) transmission efficiency ¹||≥ 90% (Typ: >95%)||≥90%|
All specifications are for operation at room temperature.
¹ MM Transmission efficiencies based on typical system mode fill conditions and 0.5 m pigtails. Reported at 975 nm as standard.
² Signal (feedthrough) transmission efficiency reported at center wavelength; specification typical for center wavelength ±15 nm (minimum).
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