Fiber Optic Polarizer

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In-line Polarizer 1064nm

In-line Polarizer 1064nm

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Sold by: DK Photonics Ships from: China
Specifications
Center Wavelength: 1064 nm
Operating Wavelength Range: 1030 – 1064 nm
Typical Insertion Loss: 0.4 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 30 dB
In-line Polarizer (High Extinction Ratio)

In-line Polarizer (High Extinction Ratio)

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Sold by: Lfiber Optic Limited Ships from: China
Specifications
Center Wavelength: 460 nm
Operating Wavelength Range: 440 – 2030 nm
Typical Insertion Loss: 0.3 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 20 dB
Polarizers - Fiber Optic

Polarizers - Fiber Optic

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Sold by: OZ Optics Ships from: Canada
Specifications
Center Wavelength: 1550 nm
Operating Wavelength Range: 400 – 2050 nm
Typical Insertion Loss: 0.5 dB
Min Return Loss: 40 dB
Typical Extinction Ratio: 30 dB
Reduced Cladding In-Line Polarizer

Reduced Cladding In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 1550 nm
Operating Wavelength Range: 55 – 1550 nm
Typical Insertion Loss: 0.4 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 28 dB
800-1064-1310nm In-Line Polarizer

800-1064-1310nm In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 800 nm
Operating Wavelength Range: 800 – 1310 nm
Typical Insertion Loss: 1 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 28 dB
2 µm In-Line Polarizer

2 µm In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 2 nm
Operating Wavelength Range: 2000 – 2000 nm
Typical Insertion Loss: 0.8 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 20 dB
1064 nm In-Line Polarizer

1064 nm In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 1064 nm
Operating Wavelength Range: 6 – 1064 nm
Typical Insertion Loss: 0.4 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 30 dB
In-Line Polarizer

In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.3 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 30 dB
1550nm Reduced Cladding In-Line Polarizer

1550nm Reduced Cladding In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 1550 nm
Operating Wavelength Range: 55 – 1550 nm
Typical Insertion Loss: 0.4 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 28 dB
1310-1480-1550nm In-Line Polarizer

1310-1480-1550nm In-Line Polarizer

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.3 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 30 dB
In-Line Polarizer-800-1064-1310nm

In-Line Polarizer-800-1064-1310nm

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Sold by: GKER Photonics Ships from: China
Specifications
Center Wavelength: 800 nm
Operating Wavelength Range: 800 – 1310 nm
Typical Insertion Loss: 1 dB
Min Return Loss: 50 dB
Typical Extinction Ratio: 28 dB

Did You Know?

A fiber optic polarizer is an in-line optical device specifically designed to work with fibers. It is used to polarize or separate linearly polarized light passing through a fiber optic line. These polarizers have several advantageous characteristics including low insertion loss, high stability, compactness and light weight. They usually come with one input port of single mode fiber and one output port for a polarization maintaining fiber. Typically they also contain input and output collimators with a plate polarizer in between. Fiber optic polarizers find applications in fiber amplifiers, integrated optics, interferometric sensors, optical fiber based test equipment, coherent detection systems, and more.
Read more in our Blog

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Frequently Asked Questions

A fiber optic polarizer is a device that is used to control the polarization of light that is transmitted through a fiber optic cable. It is used to convert unpolarized light into polarized light or to adjust the polarization of polarized light.

Fiber Optic Polarizers: Essential Components for Precision Light Control

Fiber optic polarizers are critical components in optical systems, designed to manipulate the polarization state of light traveling through optical fibers. By selectively transmitting light of a specific polarization while blocking orthogonal states, these devices ensure optimal performance in various applications, including telecommunications, fiber amplifiers, and scientific instrumentation.

What Is a Fiber Optic Polarizer?

A fiber optic polarizer is an optical device integrated into fiber optic systems to control the polarization of light. It typically consists of a section of optical fiber with properties that allow it to transmit light of a particular polarization while attenuating light of other polarizations. This selective transmission is achieved through various mechanisms, such as birefringence, which introduces different propagation speeds for different polarization states.

Key Features and Specifications

Modern fiber optic polarizers offer several important features:

  • High Extinction Ratio: Typically exceeding 30 dB, ensuring effective polarization control.

  • Low Insertion Loss: Minimizing signal attenuation, with values often around 0.5 to 1.0 dB.

  • Broad Wavelength Range: Operating effectively across a wide spectrum, from 400 nm to over 2000 nm.

  • High Return Loss: Ensuring minimal back reflection, often greater than 50 dB.

  • Compact and Rugged Design: Suitable for integration into various optical systems.

Applications of Fiber Optic Polarizers

Fiber optic polarizers are utilized in a range of applications:

  • Telecommunications: Enhancing signal integrity by reducing polarization mode dispersion and enabling advanced modulation techniques. 

  • Fiber Amplifiers: Improving performance by ensuring optimal polarization states for amplification.

  • Biomedical Imaging: Facilitating contrast enhancement in techniques like optical coherence tomography.

  • Scientific Instrumentation: Providing precise polarization control in measurement systems.

Selecting the Right Fiber Optic Polarizer

When choosing a fiber optic polarizer, consider the following factors:

  • Wavelength Compatibility: Ensure the polarizer operates effectively at the desired wavelength.

  • Extinction Ratio Requirements: Select a polarizer with an extinction ratio that meets the application's needs.

  • Insertion Loss Tolerance: Choose a polarizer with low insertion loss to maintain signal strength.

  • Environmental Considerations: Consider factors like temperature stability and mechanical robustness based on the operating environment.

Incorporating a fiber optic polarizer into your optical system can significantly enhance performance by ensuring precise control over the polarization state of light. Whether for telecommunications, biomedical applications, or scientific research, selecting the appropriate polarizer is crucial for achieving optimal results.