FPR Polarization Rotators, Controllers & Analyzers
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Product information "FPR Polarization Rotators, Controllers & Analyzers"
Center Wavelength 440 to 1625 nm; Insertion Loss 0.8 to 2.5 dB; Return Loss ≥14 to ≥60 dB; Polarization Extinction Ratio 20, 25, 30; Fiber Type SM, Coating ≤400 µm; Max. Input Power 200 mW
OZ Optics’ FPR line of polarization rotators, controllers and analyzers manipulate and control the state of polarization of an input beam of light and couple the adjusted light into an output fiber or detector. These systems typically consist of an input with fiber pigtail or connector receptacle, from one to three polarization optic components and an output coupler with fiber pigtail or connector receptacle.
The FPR product line uses bulk waveplates and polarizing glass to accomplish the polarization control. Each polarization optic stage can be removed without loss of coupling. These stages may be replaced or interchanged as the application requires. Separate stages with polarization optics mounted in a rotary platform may be purchased to allow using only one fiber optic assembly for multiple applications.
Three types of polarization optics are employed: Plate polarizers, with high extinction ratio and low loss, half wave plates rotating the plane of polarization and quarter wave plates changing the ellipticity of the input light.
Consult AMS Technologies for special component performance requirements. For extreme applications, custom achromatic waveplates can be supplied that allow operation over wider bands. These components are much more expensive than simple waveplates and detailed requirements should be supplied to ensure the proper component is supplied.
OZ Optics manufactures two standard sizes of FPR devices. The standard size uses 2.5" square rotational stages and is the preferred choice for applications where frequent adjustments must be made or repeatability is important. The miniature stage uses 1" stages to fit into tight spaces and is preferred for use in equipment boxes or where a single state needs to be found and subsequent alignment is minimal.
Key Features:
- User-friendly Lab Package or Compact Package for Inside Systems
- Single Mode (SM), Multi Mode (MM) and Polarization Maintaining (PM) Fiber Versions
- Removable/Replaceable Optics (Interchangeable)
- Wide Range of Available Wavelengths
- High Polarization Extinction Ratio
- Convert Any Polarization State to Any Other Polarization State
- Compatible With Standard Detector Housings
Applications: Laser to Fiber Coupling; Polarization Dependent Component or PM Fiber Testing; Fiber Amplifiers; Coherent Communications; Polarization Error Rate Measurements; PM Fiber Axis Conversion
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Tilt Adjustment Technique; Pigtail or Receptacle Style; Fiber Type SM, MM, PM; Typ. Insertion Loss 1 dB; Size 29 x 25 x 43 to 77 x 64 x 72 mm OZ Optics’ UB series of fiber optic U-bracket assemblies are designed to transmit light from an optical fiber, across an air gap, and back into a second fiber with low losses. The U-bracket is pre-aligned at the factory for minimum insertion losses, making it very easy to use. A variety of bulk optical devices, including polarizers, isolators, filters, and waveplates, can be simply inserted into the U-bracket, allowing the user to quickly and easily test or prototype systems incorporating fiber and bulk optics. The U-bracket assembly consists of three parts: an input fiber collimator, the U-bracket itself and an output fiber focuser. Utilizing OZ Optics' patented tilt adjustment technique, losses of only 0.6 dB are achieved across a 60 mm gap for pigtailed single mode fibers, with back reflection levels of -25, -40 or -60 dB available. Connector style assemblies are also available for a variety of connectors, including NTT-FC, AT&T-ST, bare fiber adapters, etc. Typical insertion losses are 1.0 dB across a 60 mm gap for connectorized versions, with back reflection levels of typically -20 dB. U-Brackets are available in different sizes, with different gap spacings according to the customer's needs. Many different custom designs can be made for your application. For instance, source to fiber versions are available, where light from either a laser, a laser diode or a LED is transmitted across the air gap and into the output fiber. Another option is to have a photo detector attached to the output end of the U-bracket to measure the transmitted light. Another device available is a black box with a removable filter holder, to quickly insert and remove a filter from the optical path. Contact the AMS Technologies fiber optic expert team to discuss your project’s requirements and find your custom U-bracket solution. Key Features: Pre-aligned Fiber Launch and Re-collect Small and Large Body Available Optional Removable Filter Holder Available Available in Single Mode (SM), Polarization Maintaining (PM) and Multi Mode (MM) Versions Low Insertion Loss High PER for PM Applications Compact Housing or Wide Free-space Air-gap Wide Beam Sizes Available Applications: Sample Interrogation; Prototyping Pigtailed Optical Devices; Polarization Control; Filters; Spectroscopy
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