High Power Polarization Maintaining Isolator (GK-HPMI Series)
description1
Specifications
Parameter |
Unit |
Type A Type B |
Center Wavelength (λc) |
nm |
1064 |
Operating Wavelength Range |
nm |
λc ± 10 |
Typ. Peak Isolation |
dB |
30 |
Min. Isolation, λc, 23 ℃ |
dB |
25 |
Typ. Insertion Loss, 23 ℃ |
dB |
0.8 |
Max. Insertion Loss, 23 ℃ |
dB |
1 |
Min. Extinction Ratio |
dB |
20 |
Min. Return Loss (Input/Output) |
dB |
45/45 |
Max. Average Optical Power |
W |
10 20 |
Max. Peak Power for ns Pulse |
kW |
10 |
Max. Tensile Load |
N |
5 |
Fiber Type |
- |
PM 980 Panda Fiber |
Operating Temperature |
℃ |
+ 10 to + 50 |
Storage Temperature |
℃ |
0 to + 60 |
Package Dimensions
product description
The Polarization Maintaining Isolator is a specialized micro optical device designed to maintain the polarization state of light while providing isolation in fiber optic systems operating at a wavelength of 1064 nm. This wavelength is commonly used in applications such as fiber lasers, amplifiers, and test instruments. Here's a summary of its key features and their benefits:
Low Insertion Loss: The isolator is designed to minimize the loss of light power as it passes through the device. Low insertion loss ensures that the signal remains strong and reliable, which is crucial for maintaining signal integrity in optical systems.
High Isolation: The isolator allows light to pass in the forward direction while effectively blocking it in the reverse direction. High isolation is vital for preventing back-reflected light from reaching the light source, which can cause instability or damage.
High Return Loss: A high return loss indicates that the isolator reflects back any light that is not transmitted with minimal power. This helps to reduce reflections and ghosting in the optical system, which can cause interference and reduce signal quality.
High Extinction Ratio: The high extinction ratio of the isolator means that it can effectively block unwanted polarizations. This is particularly important in applications where maintaining a specific polarization state is critical.
Excellent Environmental Stability: The device is designed to maintain its performance parameters under varying environmental conditions, such as temperature fluctuations. This stability is essential for reliable operation in diverse settings, including outdoor or uncontrolled environments.
Reliability: The isolator is built to be durable and consistent, ensuring long-term performance without failure. This is crucial for applications where downtime can be costly or where the system must operate continuously without interruption.
Polarization Maintaining: The isolator is specifically designed to preserve the polarization state of the input signal. This feature is critical in applications where the polarization state is used to encode information or is otherwise important for system performance.


