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FiberBench Polarization Controller Kit


  • Deterministic Polarization Control
  • Mechanically and Thermally Stable
  • 360° Rotation and Precise Control

PC-FFB-1550

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Polarization Controller Kit Componentsa
1 Single-Axis FiberBench with Wall Plates (FB-51W)
2 FiberPorts (PAF2-2C)
2 Rotating Quarter-Wave Plates (FBR-AQ3)
1 Rotating Half-Wave Plate (FBR-AH3)
  • The kit is supplied assembled but not aligned. Fiber cables can be purchased separately.

Download a FiberBench Assembly File

Features

  • Deterministic Polarization Control
  • Mechanically and Thermally Stable
  • 360° Rotation and Precise Polarization Control
  • Supports Both FC/PC and FC/APC Connectors
  • Please Contact Us at Tech Support for Special Wavelengths or Custom-Aligned Kits

Thorlabs' FiberBench Polarization Controller Kit allows you to transform an arbitrary input polarization state into an arbitrary output polarization state. The controller uses two FiberPorts mounted on either side of a Single-Axis FiberBench with HCA3 Wall Plates. Any input polarization state can be deterministically rotated into a known output polarization state using a quarter-wave, half-wave, and another quarter-wave plate mounted (in this order) between the two FiberPorts. Each plate can be precisely and continuously rotated through 360°.

Advantages over Traditional Fiber Paddle Controllers

The FiberBench polarization controller has the same function as a paddle controller, while offering a more deterministic and stable polarization manipulation. Without a polarimeter, the SOP from the paddle controller cannot be determined directly. Since it does not have any hysteresis, it is possible to predict the controller's output State of Polarization (SOP) at any instant in time given only its input SOP. Unlike the conventional fiber paddle controllers, the FiberBench polarization controller can be used with PM or SM fiber without the need for splicing. Additionally, it benefits from the advanced design of the FiberBench series and has high thermal and mechanical stability. The continuous, 360° rotation and precise control offered by the wave plates allow the user more control and a more stable platform than is possible with the paddle controllers.

Fiber Polarization Management Selection Guide
Polarization Controllers Linear Polarizers

Paddle Operated Rotatable Fiber Squeezer Free-Space FiberBench In-Line Package Polarizing Fiber Free-Space FiberBench Modules

Smart Pack

Item # % Weight
Reduction
CO2-Equivalent
Reductiona
PC-FFB-1550 7.51% 0.34 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.

Posted Comments:
alantunsw  (posted 2018-11-25 03:18:36.29)
How to remove the quarter-wavelength plates on the Fiberbench Polarization Controller Kit? The accessory screw-drivers are not matched with the screws under the waveplates.
YLohia  (posted 2018-11-30 08:37:24.0)
The waveplate module does not need any screw drivers to be removed from the FiberBench -- you can simply pull it off by hand. I have reached out to you via email to get more details on what you're attempting to do.
thomas.juhasz  (posted 2018-04-06 13:35:26.263)
Could you explain the working principle of your FiberBench Polarization Controller Kit for incident light with linear polarization? I see two borderline cases: 1. input pol axis not aligned to material axis of 1st l/4 plate -> elliptically polarized light -> counter clockwise elliptically polarized light after l/2 plate -> linearly polarized light after 2nd l/4 plate 2. input pol axis aligned to material axis of 1st l/4 plate -> linearly polarized light -> pol axis is rotated about 2 alpha after l/2 plate -> elliptically or linearly polarized light after 2nd l/4 plate depending on rotation So could you describe a practical procedure how to control the polarization state with this setup deterministically? And what is the advantage compared to using a single l/2 plate? Thanks, Thomas
nbayconich  (posted 2018-04-11 09:34:07.0)
Thank you for contacting Thorlabs. A 1/4 retarder will transform any elliptical state into a linear state. The 1/2 wave will then rotate the axis of any incident state. If you have fiber in and free space out then you could get by with 1/4, 1/2 to produce any state at any orientation. If you output to SM fiber then you need 1/4, 1/2, 1/4 and the last 1/4 will undo any ellipticity that the output fiber introduces into the beam A practical way to control your polarization state for example would be say using a PM fiber with linearly polarized light input onto the first quarter waveplate. If you align the input linear polarized light to 45º of the fast or slow axis of the first quarter waveplate your output will become circularly polarized. After the first quarter waveplate you can then use the half waveplate to change from left hand circularly polarized light to right hand and vice versa. The position of the fast and slow axis of the half waveplate will not matter. Of course if your linear polarization is not aligned at 45º to your quarter waveplates axis you will get an elliptical state. Assuming you maintain circular polarization (right hand) upon the half waveplate then change your circular polarization to left hand circular, once your left hand circular beam is incident on the second quarter waveplate you can change back to linear polarization but with the plane of polarization rotated by 90 degrees, in other words changing your initial vertical linear polarization to horizontal polarization or vice versa. The advantage to this setup compared to just using a single half waveplate is that if only using a half waveplate with a linearly polarized source you can only rotate the orientation of the linear polarization but not change from linear to circular or an elliptical state. In order to get and elliptical state or change from linear to circularly polarized light you will need a combination of quarter and half waveplates.
hkchiu  (posted 2017-10-05 20:03:11.603)
Hello: I am interested in your "FiberBench Polarization Controller Kit" products(PC-FFB-1550). Could you please give us the product's spec. (We want to know the PER of this element). Thank you~ Hua-Kung Chiu
tfrisch  (posted 2017-10-06 04:00:13.0)
Hello, thank you for contacting Thorlabs. The waveplates will change the polarization state, but not the degree of polarization. I will reach out to you directly to discuss how you might define PER for a system like this, but the degree of polarization should be very similar on the input and output.
pisomwan  (posted 2017-01-24 10:57:14.83)
Dear Concern person, Could you explain more detail about "FiberBench Polarization Controller Kit". I can use it for connector PR measurement ,Right? Do you have another connector adapter for change? (LC , SC , MU etc...) Best regards, Pinyo Somean
tfrisch  (posted 2017-01-26 03:27:52.0)
Hello, thank you for contacting Thorlabs. I will reach out to you about this application.
jjurado  (posted 2011-06-21 19:26:00.0)
Response from Javier at Thorlabs to ygyang2004: Thank you very much for contacting us. The components in the PC-FFB-1550 polarization controller can certainly be disassembled. Also, we can offer a version with different components as required in your application (we actually use the PAF-X-2-C in this controller). Keep in mind that at different wavelengths the resulting insertion loss will most likely be different. I will contact you directly for further support.
ygyang2004  (posted 2011-06-21 01:44:18.0)
Hello. Im Yoon seok Yang in ajou university master course. I wonder that PC-FFB-1550, fiber bench model can be separated. And I wonder that PC-FFB-1550 model can be assemble with another component(for example PAF-X-2-C-Fiberport, PCB-2.5-VIS etc..). Customer Email: ygyang2004@ajou.ac.kr
Laurie  (posted 2008-07-11 11:06:58.0)
Response from Laurie at Thorlabs to srubin: Thank you for your post. We have updated the .pdf drawing so that the entire drawing can be seen. We apologize for any inconvenience.
srubin  (posted 2008-07-10 23:08:01.0)
The PDF drawing of the FBR05 looks like it is cut in the middle
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
PC-FFB-1550 Support Documentation
PC-FFB-1550FiberBench Manual Polarization Controller, 1100-1600 nm
$2,021.64
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