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FiberBenches


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FiberBenches

Download a FiberBench Assembly File

Ever since Thorlabs acquired the versatile FiberBench product line from Optics For Research (OFR) in 2007, we have been fine tuning the overall design to offer more long-term stability and excellent coupling efficiency. These FiberBenches form the foundation of a nearly infinite array of miniature fiber optic systems that customers have been building for the last decade. When used with the FiberPort Collimators/Couplers, a complete optical circuit can be constructed.

The all-stainless steel construction offers the stability required when building fiber optic systems. Thorlabs offers Single-Axis and Multi-Axis FiberBenches, both of which are featured below. For basic systems that require only one input and one output path, the Single-Axis FiberBenches are ideal; for more complex systems that require multiple inputs and outputs, we recommend the use of the Multi-Axis FiberBenches.

One of the main advantages of building FiberBench systems is that all the components are aligned along common beam paths (14.3 mm above the deck) that are parallel to the base. Thus, they simplify setups that would normally require extensive alignment procedures. The equally sized and uniformly spaced mounting holes on the FiberBenches are designed to hold a wide array of FiberBench accessories. Except for some mounts that would go on the side of the FiberBenches, all the accessories have dowel pins that can be easily inserted into the FiberBenches. For more information or custom requests, please contact FiberBench@Thorlabs.com.

FiberBench System
Multi-Axis FiberBench with FiberPorts in Three of the Four Available Locations, Along with Some Common FiberBench Components
Click to Enlarge
Single-Axis FiberBenches
  • Ideal for Systems that Require One Input Port and One Output Port
  • 3, 5, or 7 Component Mounting Positions Available
  • #2-56 Locking Setscrews Along One Side
  • Common Applications: Polarization Splitter, Polarization Controller, Variable Optical Attenuator
Multi-Axis FiberBenches
  • Ideal for Systems that Require Multiple Input Ports and Multiple Output Ports
  • 12 - 24 Component Mounting Positions Available
  • FT-51X60 and FT-51X76 Have #2-56 Locking Setscrews Along One Side
  • Common Applications: Mach-Zehnder Interferometer, Wavelength Combiner, Bench Pump Amplifier, Polarimeter
FiberBench Accessories
FiberPortsOptic MountsAlignment ToolsPolarizers
Beamsplitter ModulesMirror ModulesRotating Wave PlatesFiberBenches

Multi-Axis FiberBenches: Optical Beam Diagrams

Multi Axis FiberBench, 38 x 100 mm, 5-Port
FT-38X100, 5-Port
Click to Enlarge
Multi Axis FiberBench, 38 x 135 mm, 5-Port
FT-38X135, 5-Port
Click to Enlarge
Multi Axis FiberBench, 38 x 165 mm, 8-Port
FT-38X165, 8-Port
Click to Enlarge
Multi Axis FiberBench, 38 x 229 mm, 8-Port
FT-38X229, 8-Port
Click to Enlarge
Multi Axis FiberBench, 51 x 60 mm, 4-Port
FT-51X60, 4-Port
Click to Enlarge
Multi Axis FiberBench, 51 x 76 mm, 6-Port
FT-51X76, 6-Port
Click to Enlarge
Multi Axis FiberBench, 102 x 102 mm, 8-Port
FT-100X100, 8-Port
Click to Enlarge
Multi Axis FiberBench, 114 x 149 mm, 10-Port
FT-114X149, 10-Port
Click to Enlarge

Variable Optical Attenuator Application

A continuously variable attenuator can be assembled using the FiberBench components listed in the table below. The FiberPort collimates the beam from a SM or PM fiber, and the collimated beam then goes through a calcite walk-off polarizer where it is split into its respective horizontal (P) and vertical (S) components. The orientation of the wave plate controls how much energy is in the beam. It can be rotated to give the desired attenuation - zero, partial, or full. The signal then enters a reversed calcite walk-off polarizer where it will be recombined or further separated. The only energy that will couple back into the output fiber is the signal on the central axis. The central beam will then be focused into the output fiber by the output PAF FiberPort.

Item #QtyDescription
PBB-IR-10-L1Calcite Walk-Off Polarizer (Left-Handed)
PBB-IR-10-R1Calcite Walk-Off Polarizer (Right-Handed)
PAF-X-2-C2Fiber Collimator/Coupler
FB-51W1FiberBench
RABH-16001Rotating Half-Wave Plate
P1-830A-FC-2 (or similar cable) 2SM or PM Fiber Patchcord Required

Zero Attenuation

The RABH wave plate is rotated so that there is only one output beam; this also means that the input and output polarizations are the same.

Partial Attenuation

The RABH wave plate is rotated so that there are three output beams. The RABH orientation will control how much energy is in each beam. The only energy that will couple into the fiber is the energy in the central beam. The attenuation range is 1 to 40 dB with any value in between.

Full Attenuation

The RABH wave plate is rotated so that there are two output beams, which will be displaced to the left and to the right of the center. In this position, there will be minimal coupling efficiency, resulting in a maximum attenuation of 40 dB.

FB-38W SmartPack Packaging
Click to Enlarge

FB-38W Packaging

Smart Pack

Item #% Weight
Reduction
CO2-Equivalent
Reductiona
FB-38W55.61%2.18 kg
FT-51X6025.55%0.96 kg

Smart Pack

  • Reduce Weight of Packaging Materials
  • Increase Usage of Recyclable Packing Materials
  • Improve Packing Integrity
  • Decrease Shipping Costs

Thorlabs' Smart Pack Initiative is aimed at waste minimization while still maintaining adequate protection for our products. By eliminating any unnecessary packaging, implementing packaging design changes, and utilizing eco-friendly packaging materials for our customers when possible, this initiative seeks to improve the environmental impact of our product packaging. Products listed above are now shipped in re-engineered packaging that minimizes the weight and the use of non-recyclable materials.b As we move through our product line, we will indicate re-engineered packages with our Smart Pack logo.

  • Travel-based emissions reduction calculations are estimated based on the total weight reduction of packaging materials used for all of 2013’s product sales, traveling 1,000 miles on an airplane, to provide general understanding of the impact of packaging material reduction. Calculations were made using the EPA’s shipping emissions values for different modes of transport.
  • Some Smart Pack products may show a negative weight reduction percentage as the substitution of greener packaging materials, such as the Greenwrap, at times slightly increases the weight of the product packaging.
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Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FB-38 Support Documentation
FB-38 Single-Axis FiberBench, L = 38 mm, 3 Positions
$119.65
Today
FB-51 Support Documentation
FB-51 Single-Axis FiberBench, L = 51 mm, 5 Positions
$130.05
Today
FB-76 Support Documentation
FB-76 Single-Axis FiberBench, L = 76 mm, 7 Positions
$140.45
Today
Single-Axis FiberBenches with Wall Plates

*Dust Cover Included but Not Shown

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FB-38W Support Documentation
FB-38W Single-Axis FiberBench with Wall Plates and Dust Cover, L = 38 mm, 3 Positions
$213.28
Today
FB-51W Support Documentation
FB-51W Single-Axis FiberBench with Wall Plates and Dust Cover, L = 51 mm, 5 Positions
$223.69
Today
FB-76W Support Documentation
FB-76W Single-Axis FiberBench with Wall Plates and Dust Cover, L = 76 mm, 7 Positions
$234.09
Today
Multi-Axis FiberBenches
Multi Axis FiberBench, 38 x 100 mm, 5
FT-38X100
5 Ports
12 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 38 x 135 mm, 5
FT-38X135
5 Ports
14 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 38 x 165 mm
FT-38X165
8 Ports
19 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 38 x 229 mm
FT-38X229
8 Ports
21 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 51 x 60 mm
FT-51X60
4 Ports
16 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 51 x 76 mm
FT-51X76
6 Ports
12 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 102 x 102 mm
FT-100X100
8 Ports
24 Mounting Positions
Click to Enlarge
Multi Axis FiberBench, 114 x 149 mm
FT-114X149
10 Ports
24 Mounting Positions
Click to Enlarge

Please See the Additional Info Tab for Optical Beam Diagrams

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FT-38X100 Support Documentation
FT-38X100 Multi-Axis FiberBench, 38 mm x 100 mm, 5 Ports, 12 Positions
$198.90
Today
FT-38X135 Support Documentation
FT-38X135 Multi-Axis FiberBench, 38 mm x 135 mm, 5 Ports, 14 Positions
$244.80
Today
FT-38X165 Support Documentation
FT-38X165 Multi-Axis FiberBench, 38 mm x 165mm, 8 Ports, 19 Positions
$280.50
Today
FT-38X229 Support Documentation
FT-38X229 Multi-Axis FiberBench, 38 mm x 229 mm, 8 Ports, 21 Positions
$331.50
Today
FT-51X60 Support Documentation
FT-51X60 Multi-Axis FiberBench, 51 mm x 60 mm, 4 Ports, 16 Positions
$209.10
Today
FT-51X76 Support Documentation
FT-51X76 Multi-Axis FiberBench, 51 mm x 76 mm, 6 Ports, 12 Positions
$255.00
Today
FT-100X100 Support Documentation
FT-100X100 Multi-Axis FiberBench, 4" x 4" (101.6 mm x 101.6 mm), 8 Ports, 24 Positions
$306.00
Today
FT-114X149 Support Documentation
FT-114X149 Multi-Axis FiberBench, 114 mm x 149 mm, 10 Ports, 24 Positions
$357.00
Today
FiberBench Wall Plates
  • Mounts to the Side of Thorlabs' FiberBenches
  • HCA3 and HCA3-SM1 Mount a FiberPort Collimator/Coupler to a FiberBench
  • Includes Mounting Screws
  • Includes Retaining Rings for SM-Threaded Versions

The Wall Plates can be attached to the sides of a FiberBench using the two included 8-32 mounting screws. The HCA3 and HCA3-SM1 are commonly used to mount FiberPorts to FiberBenches using the four included 2-56 screws (see image to the right). While the HCA3 offers a counterbored hole, the HCA3-SM05 and HCA3-SM1 feature our SM05 (0.535"-40) or SM1 (1.035"-40) thread standard, respectively. The HCA3-SM1 is also commonly used with other SM1-threaded devices such as Thorlabs' Photodetectors

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
HCA3 Support Documentation
HCA3 Customer Inspired! FiberBench Wall Plate
$53.04
Today
HCA3-SM05 Support Documentation
HCA3-SM05 FiberBench Wall Plate with SM05 (0.535"-40) Thread
$59.16
Today
HCA3-SM1 Support Documentation
HCA3-SM1 FiberBench Wall Plate with SM1 (1.035"-40) Thread
$59.16
Today
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