Polarization Maintaining Tap Coupler (GK-PMTC Series) 1310-1550nm
description1
Specifications
Parameter |
Unit |
Value |
Center Wavelength |
nm |
1310, 1550 |
Operating Wavelength Range |
nm |
λc ± 40 |
Configuration |
- |
1 × 2 2 × 2 |
Max. Excess Loss |
dB |
0.7 1.1 |
Max. Uniformity (only for 50%) |
dB |
0.6 0.8 |
Tap Ratio |
% |
1 ± 0.2, 2 ± 0.4, 4 ± 0.8, 5 ± 1.0, 10, 20 and 50 |
Min. Return Loss |
dB |
50 50 |
Min. Extinction Ratio |
dB |
20 20 |
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 & Output ports |
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 Tap Coupler is a specialized fiber optic component designed to split an input signal into two or more output signals at various predefined ratios while maintaining the polarization state of the light. This is crucial for applications where both the power splitting ratio and the polarization state are important. Here's a summary of its key features:
Advanced Technology: The coupler is manufactured using sophisticated techniques that ensure precise control over the splitting ratios and the maintenance of polarization. This advanced technology could involve processes such as precision fiber fusion or specialized coating methods.
High Extinction Ratio: The extinction ratio in the context of a tap coupler refers to the ability to completely block or significantly attenuate the unwanted output port(s) when a signal is being directed to a specific port. 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.
Variable Splitting Ratios: The coupler is designed to split the input signal at various ratios, such as 50/50, 90/10, or other custom ratios, depending on the application's needs. This flexibility allows the coupler to be tailored to specific system requirements, whether it's for power monitoring, signal distribution, or other applications.
Polarization Maintaining: The coupler 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.