FOP Fiber Optic Polarizers

FOP Fiber Optic Polarizers OZ Optics
  • SW10871
Center Wavelength 400 to 2050 nm; Insertion Loss Typ. 0.5 to 1.0 dB; Return Loss ≥40 to ≥70 dB;... more
Product information "FOP Fiber Optic Polarizers"

Center Wavelength 400 to 2050 nm; Insertion Loss Typ. 0.5 to 1.0 dB; Return Loss ≥40 to ≥70 dB; Polarization Extinction Ratio 20, 30; Fiber Type SM, MM, PM

OZ Optics’ FOP series of fiber optic polarizers are designed to polarize the output from a light source or fiber and launch it into an output fiber. These polarizers typically consist of input and output collimators with a plate polarizer in between. Broadband polarizers are used, so the power extinction ratio is maintained for up to several hundreds of nanometers. The same polarizer, for example, may be used for 1300 nm to 1600 nm.

The power extinction ratio is the ratio between maximum and minimum output power as the input polarization state is changed. This is different from the output polarization extinction ratio, which is a measure of the ratio between the power in the two axes of polarization maintaining fiber – this value is only applicable when the output fiber is polarization maintaining (PM) fiber. The power extinction ratio will always equal or exceed the polarization extinction ratio.

OZ Optics offers fiber optic polarizers in four sizes. The original 12.5 mm diameter size is best suited for non-telecom wavelengths and for custom designs. The larger size is also well suited for high power applications. Polarizers capable of transmitting several Watts of power have been made with this technique.

The 5.5 mm diameter size is well suited for telecom wavelengths, such as 1310 and/or 1550 nm, while the 4 mm diameter option is best suited for low-cost systems where lower output extinction ratios are acceptable. Finally, OZ Optics offers a version that is only 3 mm in diameter, featuring exceptionally low return losses and superior performance over a very broad temperature range.

Key Features:

  • Rugged and Compact Housing
  • Single Mode (SM), Multi Mode (MM), Polarization Maintaining (PM) and Fiber Combinations Available
  • Miniature Sizes Available
  • Wide Range of Available Wavelengths: 400 to 2050 nm
  • High Extinction Ratio up to 40 dB
  • Low Loss
  • Low Back Reflection

Applications: Fiber Amplifiers; System Polarization Extinction Ratio Conditioning; Measuring Polarization Extinction Ratio; Sensors; Integrated Optics; Interferometric Sensors; OCT Systems

Product Group: Fiber Polarization Controller
Manufacturer Series Name: FOP
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