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Fiber Mirrors

The GKER Photonics Faraday Mirror (GK-FM Series) is a high-performance passive optical device designed to rotate the polarization state of incoming light by 90 degrees. Utilizing advanced Faraday Effect technology, this mirror provides precise polarization rotation with minimal insertion loss, ensuring optimal signal integrity in ...

Specifications

Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.4 dB
Max Insertion Loss: 0.6 dB
Min Extinction Ratio: Not Specified
The Polarization Maintaining Faraday Mirror (GK-PMFM Series) is a high-performance passive optical device designed to rotate the polarization of the input light by 90 degrees, ensuring robust polarization maintenance throughout the optical path. This Faraday mirror excels in delivering exceptional performance, including low insertion ...

Specifications

Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.4 dB
Max Insertion Loss: 0.6 dB
Min Extinction Ratio: 20 dB
The GKER Photonics 1064 nm Polarization Maintaining Faraday Mirror (GK-PMFM Series) is a specialized passive optical component designed to rotate the polarization of input light by 90 degrees. This rotation is crucial for minimizing polarization-related effects, making the PMFM an indispensable component in high-precision optical ...

Specifications

Center Wavelength: 1064 nm
Operating Wavelength Range: 6 – 1064 nm
Typical Insertion Loss: 2.8 dB
Max Insertion Loss: 3 dB
Min Extinction Ratio: 20 dB
The GKER Photonics 1064 nm Faraday Mirror (GK-FM Series) is a highly reliable passive optical device engineered to rotate the polarization of the input light by 90 degrees. This rotation helps minimize polarization-related effects, making it an essential component in high-performance optical systems. With a center wavelength of 1064 ...

Specifications

Center Wavelength: 1064 nm
Operating Wavelength Range: 6 – 1064 nm
Typical Insertion Loss: 2.8 dB
Max Insertion Loss: 3 dB
Min Extinction Ratio: Not Specified
The GKER Photonics In-line Faraday Rotator (GK-ILF Series) is a precision optical device designed to rotate the polarization of input light by 45 degrees, making it an essential component in applications requiring precise control of light polarization. With its low insertion loss, high extinction ratio, and excellent environmental ...

Specifications

Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.3 dB
Max Insertion Loss: 0.5 dB
Min Extinction Ratio: 20 dB
The GK-FM Series Faraday Mirror is a high-performance passive optical device designed to provide a 90-degree rotation of the polarization state of input light. This mirror is ideal for use in a variety of optical systems, including Erbium-Doped Fiber Amplifiers (EDFAs), fiber lasers, and fiber instruments. It features exceptional ...

Specifications

Center Wavelength: 1920 nm
Operating Wavelength Range: 1920 – 2070 nm
Typical Insertion Loss: 0.6 dB
Max Insertion Loss: 0.9 dB
Min Extinction Ratio: Not Specified
The Reduced Cladding Fiber Faraday Mirror (GK-RCFM Series) by GKER Photonics is a sophisticated passive optical device designed to offer precise 90-degree polarization rotation without being affected by the input light's polarization state. This advanced Faraday mirror is engineered for applications requiring high performance and ...

Specifications

Center Wavelength: 1550 nm
Operating Wavelength Range: 55 – 1550 nm
Typical Insertion Loss: 1 dB
Max Insertion Loss: 1.2 dB
Min Extinction Ratio: Not Specified
The Polarization Maintaining Faraday Mirror (PMFM) from GKER Photonics Co., Ltd is an advanced passive device meticulously engineered to provide a 90-degree rotation relative to the polarization state of incoming light. This device is critical in minimizing polarization-related effects in optical systems, making it indispensable for ...

Specifications

Center Wavelength: 1920 nm
Operating Wavelength Range: 1920 – 2070 nm
Typical Insertion Loss: 0.6 dB
Max Insertion Loss: 0.9 dB
Min Extinction Ratio: 20 dB
The GKER Photonics Faraday Mirror (GK-FM Series) is a high-performance passive optical device designed to provide a 90-degree rotation of the polarization state of input light, effectively minimizing polarization effects in various optical systems. With its excellent environmental stability and the lowest possible insertion loss, ...

Specifications

Center Wavelength: 1310 nm
Operating Wavelength Range: 1310 – 1550 nm
Typical Insertion Loss: 0.4 dB
Max Insertion Loss: 0.6 dB
Min Extinction Ratio: Not Specified

Fiber Mirrors: Precision Reflection for Advanced Optical Routing

Fiber mirrors are essential components used in fiber optic systems to redirect or reflect light beams within fiber-coupled setups. These specialized devices play a crucial role in systems where precise optical alignment and redirection are required without disturbing the fiber’s structural integrity. Whether used for beam steering, optical isolation, or sensing applications, fiber mirrors enable efficient light manipulation in compact, high-performance photonic assemblies.

On FindLight, you’ll find a range of fiber mirror solutions designed to meet the needs of advanced telecom, laser, and optical test applications.

What Are Fiber Mirrors?

Fiber mirrors are typically constructed by integrating a polished fiber endface with a dielectric or metallic reflective coating, or by embedding a micro-mirror within a fiber-optic assembly. The result is a component capable of redirecting light at a precise angle—often 90 degrees or customizable—without significant signal loss.

Some fiber mirrors are housed in mechanical packages for easy integration into optomechanical systems, while others are part of hybrid devices such as optical circulators or splitters that require internal beam redirection.

Key Features and Benefits

  1. Precise Beam Redirection: Enables accurate steering of light within tight optical assemblies, often at fixed angles such as 45° or 90°.

  2. Low Insertion Loss: Engineered for minimal signal attenuation during redirection.

  3. Compact and Integrated Design: Offers space-saving integration into fiber-coupled instruments and systems.

  4. High Reflectivity Coatings: Coated with metallic (e.g., gold, aluminum) or dielectric layers for optimized performance at specific wavelengths.

  5. Versatile Applications: Suitable for both active and passive fiber optic setups.

Common Applications

Fiber mirrors are used in a variety of photonics and fiber optic applications, such as:

  • Beam steering in optical circuits

  • Optical path redirection in confined spaces

  • Miniaturized spectroscopic systems

  • Interferometers and metrology

  • Optical coherence tomography (OCT)

  • Fiber-based sensors and diagnostics

Their small footprint and precision alignment make them ideal for use in systems requiring high spatial efficiency and beam control.

Types of Fiber Mirrors

  • In-Fiber Mirrors: Mirror coating applied directly to the fiber endface for internal redirection.

  • Micro-Optic Mirrors: Small mirrors mounted inside ferrules or sleeves, often angled at 45°.

  • Reflective Collimators: Combine fiber collimation with beam redirection.

  • Hybrid Devices: Mirrors integrated into circulators, splitters, or MEMS devices.

Each type offers specific advantages depending on the system design and performance requirements.

Shop Fiber Mirrors on FindLight

FindLight connects you with reputable manufacturers offering high-precision fiber mirrors for demanding applications. Whether you're building a compact sensor, assembling a laser delivery system, or developing a novel optical instrument, our listings provide detailed specs, configuration options, and direct RFQ capabilities.

Did You know?

Fiber mirrors are specialized optomechanical components that reflect light back through an optical fiber, making them essential tools in interferometry, sensing, and laser-based systems. Typically constructed using coated fiber ends, angled facets, or integrated micro-mirrors, they’re used to precisely redirect or terminate light within fiber assemblies. You’ll often find fiber mirrors in optical coherence tomography (OCT), fiber Bragg grating systems, and in-loop feedback configurations for laser tuning and modulation. These devices can be optimized for specific reflectivity, wavelength range, and polarization characteristics - allowing engineers to fine-tune system performance. Some designs even combine reflection and transmission properties, enabling complex signal routing and partial reflections. Whether used to set reference beams, reflect diagnostic pulses, or create resonant cavities, fiber mirrors offer compact, stable solutions that eliminate the need for bulky free-space optics. In setups where space is limited and alignment precision is crucial, fiber mirrors help engineers create compact and robust optical systems that maintain signal integrity and minimize optical loss.