Why should Use the Right Polarization Maintaining Fiber

Fused Coupler is a type of optical fiber that is used to split high power single line polarized light into multiple directions without disturbing the line at the state of polarization. This fiber is also used as a power tap to monitor signal power in a PM fiber system. A fused coupler is widely used in PM fiber interferometers, power sharing in polarization sensitive systems, and signal monitoring in PM fiber systems.

 

Couplers are generally divided into two categories- passive couplers and active couplers. The passive couplers are able to redistribute the optical signal without making optical to electrical conversion while active couplers electric devices used to split or combine signals electrically using a device called fiber optic detector and sources for input and output.

 

Based on applications, the couple has different types. So to make sure you choose the right coupler, it is crucial to know about them.  Here, we will shed light on some of the most important ones that are widely used today.

 

T coupler

 

Also, called Y coupler, it is a three port device and mainly used for power monitoring. It is also used for splitting the power input into two equal outputs.

 

Tree coupler

 

Its main work is to split the single input into multiple outputs. It is used as a combiner to combine multiple output signals.

 

Star coupler

 

It is pretty well different from the first two. Unlike them, this coupler has multiple inputs and multiple outputs. The fibers radiate from the central point likes a star. And this is why it is called star coupler.

 

Wavelength selection coupler

 

Also known as WDM (wavelength division multiplexer, wavelength selection coupler splits the signal based, not on power.

 

Having a look at the types of couplers and their applications, it is quite clear that each of them has a different application. And so they perform well in a particular situation and meet a particular need. If you are looking a coupler, it is very important to choose the one that best meets your needs.

 

And the best way to know which one will work best for you are looking at your needs. Yes, first of all, you should figure out your requirements. This will make it easy for you to come out with the right option without wasting your time.

 

Features of top couplers for polarization-maintaining

 

In addition to the types of a coupler, the features of coupler also play a vital role in selecting. Here are some of the top features that you must consider when looking for the one for you. A quality fused coupler has:

 

Low insertion loss

• High extinction ratio

• Compact In-Line Package

• Available for Slow or Fast Axis Operation

• High Stability and Reliability

 

Whether you are looking for couplers for the use of Fiber Optic Instruments, Fiber Amplifiers, Fiber Sensors, or Coherent Detecting devices, choose the one, keeping in mind the above features. Also, make sure to buy only from top suppliers of Polarization Maintaining Fused Couplers in China.

评论

发表评论

此博客中的热门博文

Common Armored Fiber Optic Cables

  Armored fiber optic cables are often installed in a network for added mechanical protection, as they have extra reinforcing in the cable housing to prevent damage. Two types of armored fiber optic cables exist: interlocking and corrugated. Interlocking armor is an aluminum armor that is helically wrapped around the cable and found in indoor and indoor/outdoor cables. It offers ruggedness and superior crush resistance. Corrugated armor is a coated steel tape folded around the cable longitudinally. It is found in outdoor cables and offers extra mechanical and rodent protection.   The Structure of an Armored Fiber Optic Cable In basic armored fiber cable designs, the outer sleeve provides protection against wind, solvents, and abrasion. This outer sleeve is usually made of plastic such as polyethylene. The next layer between the sleeve and the inner jacket is an armoring layer of materials that are difficult to cut, chew, or bu
阅读全文

what the Differences Between FBT Splitter and PLC Splitter

  In FTTx and PON architectures, optical splitter plays an increasingly significant role to create a variety of point-to-multipoint fiber optic networks. But do you know what is a fiber optic splitter? In fact, a fiber optic splitter is a passive optical device that can split or separate an incident light beam into two or more light beams. Basically, there are two types of fiber splitter classified by their working principle: fused biconical taper splitter (FBT splitter) and planar lightwave circuit splitter (PLC splitter). You may have one question: what’s the difference between them and shall we use FBT or PLC splitter?   What Is FBT Splitter? FBT splitter is based on a traditional technology to weld several fiber together from side of the fiber. Fibers are aligned by heating for a specific location and length. Because the fused fibers are very fragile, they are protected by a glass tube made of epoxy and silica powder. And then a stainless steel tube covers the inner glass tu
阅读全文

Introduction of Optical Fiber Couplers and How Do They Work?

 What are optical fiber couplers? A fiber optic coupler can be defined as an optical component used with one or more input fibers and several output fibers in fiber optic systems. A coupler essentially puts two or more cores of fibers together to connect. The simple coupler is the fused fiber 2x2 coupler. Couplers are used as multiplexers that are resistant to certain wavelengths. A fiber output depends on the wavelength of light and the frequency of polarization. The fiber refractive index also plays a significant role in the performance. Let’s checkout how do optic couplers work to understand this better. How do fiber optic couplers work? Either fiber optic couplers separate optical signals into multiple paths or combine multiple signals in one direction. Optical signals are more complicated than electrical signals, making it more difficult to design optical couplers than their electrical copy. Unlike electrical currents, the optical signal consists of a stream of signal carriers, in
阅读全文