In-Line Polarizer (GK-ILP Series)
description1
Specifications
Parameter |
Unit |
Type A |
Center Wavelength (λc) |
nm |
1310, 1480, or 1550 |
Operating Wavelength Range |
nm |
λc ± 50 |
Typ. Insertion Loss, 23 ℃ |
dB |
0.3 |
Max. Insertion Loss |
dB |
0.5 |
Typ. Extinction Ratio, 23 ℃ |
dB |
30 |
Min. Extinction Ratio, 23 ℃ |
dB |
28 |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Min. Return Loss |
dB |
50 |
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 In-Line Polarizer is an essential optical component used to manipulate the polarization state of light in various applications. It is designed to selectively transmit light of a specific polarization while attenuating the orthogonal polarization. Here's a summary of its key features and their implications:
Polarization Selection: The polarizer allows light with one specific polarization to pass through while blocking or absorbing the light with the perpendicular polarization. This property is essential for applications that need to manipulate the polarization state of light.
Conversion of Unpolarized Light: It can convert unpolarized light into polarized light. This is particularly useful in applications where polarized light is necessary, such as in certain types of optical sensors or in the preparation of light for polarization-sensitive systems.
High Extinction Ratio: The polarizer offers a high extinction ratio, which is the ratio of the transmitted light intensity to the blocked light intensity at the orthogonal polarization. A high extinction ratio is critical for ensuring that the unwanted polarization is effectively minimized, leading to a cleaner and more controlled light output.
Enhancement of Signal Quality: By improving the polarization properties of a signal, the polarizer can enhance the signal's quality. This is particularly important in high-speed communication systems where signal integrity is paramount.
Ideal for High-Speed Communication Systems: The In-Line Polarizer is well-suited for use in high-speed communication systems where maintaining a high polarization extinction ratio is necessary. This helps to reduce crosstalk between different polarization modes and ensures reliable data transmission.
Use in Test Instrumentations: In test and measurement equipment, the polarizer is used to ensure that the light source has the desired polarization state. This is crucial for accurate calibration and testing of polarization-dependent devices.
Compact Design: The "In-Line" designation suggests a compact design that can be easily integrated into existing optical setups, making it convenient for a variety of applications without requiring significant changes to the system layout.