Polarization Maintaining Filter Tap Isolator (GK-PMFTI Series)
description1
Specifications
Parameter |
Unit |
Single Stage Dual Stage |
Center Wavelength (λc) |
nm |
1310, 1480, 1550 |
Operating Wavelength Range |
nm |
λc ± 15 |
Max. Excess Loss |
dB |
0.8 0.9 |
Tap Ratio |
% |
1 ± 0.5%, 2 ± 0.4%, 5 ± 1.0%, 10 ± 2.0% |
Typ. Peak Isolation |
dB |
40 55 |
Min. Isolation, λc ± 10 nm, 23 ℃,all polarization states |
dB |
30 45 |
Min. Extinction Ratio |
dB |
20 |
Min. Return Loss |
dB |
50 |
Min. Directivity |
dB |
50 |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Max. Tensile Load |
N |
5 |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
Fiber Type |
- |
SMF-28 or PM Panda Fiber for tap port PM Panda Fiber for Input & Ouput ports |
IL 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 Tap Isolator is a specialized fiber optic component that integrates the functions of a tap coupler and a polarization-sensitive isolator into one unit. This combination makes it highly useful for applications where both signal monitoring and polarization maintenance are necessary. Here's a summary of its key features and their benefits:
Integration of Tap Coupler and Isolator: By combining these two functions, the device can both split a portion of the light signal for monitoring purposes (tap function) and prevent back-reflected light from traveling back to the light source (isolation function). This dual functionality simplifies the optical setup and reduces the number of components needed.
High Extinction Ratio (ER): The extinction ratio in the context of an isolator refers to the ability to completely block or significantly attenuate the unwanted light traveling in the reverse direction. A high extinction ratio is essential for applications that require a clean and strong signal on the desired output port without interference from other ports.
Very Low Insertion Loss: The device is designed to minimize the loss of signal power as it passes through, ensuring that the main signal remains strong and the monitoring signal is also sufficiently powered. This is important for maintaining signal integrity and for effective monitoring.
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, such as in some types of optical communication systems or fiber optic sensors.
Compact Package: The integration of both functions into a single package results in a compact design that is easy to integrate into existing fiber optic systems.