1310-1480-1550nm Polarization Maintaining Faraday Mirror (GK-PMFM Series)
description1
Specifications
Parameter |
Unit |
Value |
Center Wavelength (λc) |
nm |
1310, 1480, 1550 |
Operating Wavelength Range |
nm |
λc ± 15 |
Typ. Insertion Loss |
dB |
0.4 |
Max. Insertion Loss |
dB |
0.6 |
Faraday Rotation Angle (single pass) |
degree |
45 |
Max. Rotation Angle Tolerance, λc, 23 ℃ |
degree |
± 1 |
Min. Extinction Ratio |
dB |
20 |
Fiber Type |
- |
PM Panda Fiber |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Max. Tensile Load |
N |
5 |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
¹IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added. Connector key is aligned to slow axis. | ||
Package Dimensions
product description
The Polarization Maintaining Faraday Mirror (PMFM) is an advanced optical component that plays a crucial role in applications where the control and maintenance of light polarization are essential. It utilizes the Faraday effect, which is the rotation of the plane of polarization of light when it passes through a magneto-optical material in the presence of a magnetic field. Here's a more detailed look at its features and applications:
90-Degree Polarization Rotation: The PMFM provides a 90-degree rotation of the polarization plane of the input light. This precise rotation is valuable for applications that require the manipulation of light's polarization state, such as in coherent communication systems or polarization-based sensing.
Passive Operation: As a passive device, the PMFM does not require an external power source to function. The polarization rotation is achieved through the inherent properties of the magneto-optical material used in the Faraday rotator, making it a reliable and low-maintenance component.
Low Insertion Loss: The PMFM is designed to minimize the loss of light power as it passes through the device. This ensures that the light signal remains strong and reliable, which is crucial for maintaining signal integrity, especially in high-power applications or long-haul transmissions.
Environmental Stability: The PMFM offers excellent stability under varying environmental conditions, such as temperature fluctuations. This stability ensures consistent performance and reliability in diverse settings, including outdoor or uncontrolled environments.
Amplifiers: Used in erbium-doped fiber amplifiers (EDFAs) and other types of optical amplifiers to control the polarization state of the amplified signal, which can help to minimize polarization-dependent gain or other polarization effects that could degrade signal quality.
Fiber Lasers: Employed in fiber laser systems to manage the polarization state of the laser output, ensuring consistent performance and minimizing the impact of polarization on beam quality or stability.
Fiber Instruments: Utilized in fiber optic instruments and sensors where the polarization state needs to be controlled or manipulated for accurate measurements or signal processing.