48-FPC-3-6_dc-xxx

Fiber Port Cluster 2 ⇾ 6, dichroic with aux. input

FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc
FiberPortCluster_3-6_dc

Features

Fiber Port Cluster for two input sources with differing wavelength as well as one aditional auxiliary input port and with 6 output ports.
  • Configuration 2 ⇾ 6 dichroic
  • Superposition by means of a polarization beam splitting cube and a dichroic wave plate
  • Additional auxiliary input port
  • Highly efficient coupling into polarization-maintaining fiber cables
  • Adjustable splitting ratio
  • Compact, rugged, transportable and sealed opto-mechanical units
  • Fully fiber-coupled
  • Very high long-term stability, efficiency and reproducability

Description

This Fiber Port Cluster is a modified version of the fiber port cluster 48-FPC-2-6 dc with additionally an auxiliary input port.

Optical Setup
All the three input ports are fiber-coupled to PM fiber cables. Polarizers define the input polarization which is necessary for a long term stable splitting ratio.
Three photo diodes right after each input port allow for a continuous monitoring of the radiation.
The two differing (main) input sources are superimposed by means of polarization beam splitting cube. A dichroic wave plate rotates the two orthogonally polarized input beams of different wavelengths into linear polarization state, that are parallel to each other.
The third input source is coupled into the free port of the first polarization beam splitter. Due to the subsequent splitting, input 3 is superimposed with the two other channels with a parallel state of polarization, too.
Subsequently, the radiation splitting is achieved by using a cascade of rotary half-wave plates in combination with polarization beam splitters. By use of the rotary half-wave plates, almost any desired splitting ratio can be achieved.
At the output ports further polarizers are placed in order to define the polarization at output of the system.

Fiber Couplers
A fundamental component of a Fiber Port Cluster is the Laser Beam Coupler, which is the input into the opto-mechanical unit collimating the input radiation and, finally, couples the radiation back into the polarization-maintaining fiber cables. The stability of the total Fiber Port Cluster is determined by the stability of the laser beam coupler.

How to order
For a detailed quotation please additionally specify

  • Wavelengths In 1 and In 2
  • Cable lengths
  • Connector types
48-FPC-3-6_dc

Technical data

48-FPC-3-6_dc-xxx

Configuration
2 ⇾ 6 dichroic
Wavelengths*
394 + 404 nm, 606 + 628, 767 + 780 nm, 780 + 795 nm
Fiber type
polarization-maintaining
Connector type
FC APC (standard)
Cable lengths
Customer-specific
Wave plate type
dichroic
Power monitor
BPX-61 (SMA)
Transmission
≥ 60 % @ 780 nm
Polarization Extinction Ratio
≥ 23 dB @ 780 nm
Balancing
better 5 %
* Different wavelength combinations on request

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