PLC Splitter

Brief introductionPLC Splitter is a kind of waveguide optical power distribution device integrationbased on a quartz substrate plate , like coaxial cable transmission system,network system also needs to be light signal coupling, branches, distributionand the optical divider is needed for implementation.It is one of the mostimportant fiber link passive components, fiber optic tandem device having aplurality of inputs and a plurality of output terminals, especially for passiveoptical network (EPON, GPON, BPON, etc.) to connect the central office andterminal equipment and allow branching optical signals.

Advantage(1) Loss is not sensitive to transmit light wavelength, can meet the needs of thedifferent wavelength of transmission.

(2)Uniform light, signal can be evenly distributed to the user.

(3) compact, small size, can be installed directly in the various existing junctionbox, without specially designed to stay out of a lot of installation space.

(4) single device bypass passage lot, it can reach 32 or more.

(5) Multi-channel of low cost, the more points the large ones, more obviouscost advantage.

Shortcoming(1)Complex manufactory, high technical threshold, the current chip aremonopolied by foreign companies, only a few of companies can produce largequantities of packaging in our country.

(2) The cost is higher relative to the melting cone type divider, especially at adisadvantage when in the aspect of low channel way more .

ComponentInternal controlled by a PLC optical splitter chip and fiber array of coupling.Chips make grow in the quartz substrate using semiconductor process, a layerof light waveguide chip is an input terminal and N output waveguide. And thenon both ends of the chip input and output optical fiber array, respectively.

External is made up of the ABS and square steel box, cable and fiber-opticconnectors.

Technical SpecificationsInsertion loss

The insertion loss of the optical splitter means each output relative to the inputloss on the number of dB, the mathematical expression is: Ai = -10lg Pouti / Pin,where Ai is the insertion loss means the i-th output port; Pouti is the i-th outputport optical power; Pin is the optical power value input.

Additional losses

Additional loss is defined as the sum of all output ports with the input opticalpower loss DB number. It is worth mentioning that, for fiber optic couplers,additional losses are reflected in the device manufacturing process qualityindicators, reflects the inherent loss of the device production process, the lossis as small as possible, is to produce the quality of the merits of theassessment indicators. The insertion loss is only that the output power of eachoutput port, not only has the inherent loss of factors, but considering the effect

of splitting ratio. Between the different fiber coupler, the insertion loss of thedevice making the difference and do not reflect the quality of the pros andcons.

Divider ratio

Divider ratio is defined as the light output ratio of each output port in thesystem application, optical node ratio is based on the need of actual system ofoptical power, determines appropriate ratio ( except the average allocation ),optical divider ratio is related to the wavelength of light transmission. Forexample, a branch of light transports in 1.31 micron, the divider ratio of twooutput is 50:50 ; In 1.5 μm light transmission, when it becomes 70:30 ( thereason of this circumstance is that the optical divider has the certain bandwidth,which is transmitted when the radio unchanged ). Therefore, we must indicatethe wavelength when the optical splitter is made.

PLC splitter is based on planar lightwave circuit technology, therefore,fibercasa could offer PLC splitter with multiple package type like Bare fibertype PLC Splitter, Blockless type ( Micro Module type ) PLC Splitter, Cassettetype ( ABS box type ) PLC Splitter, Insert type PLC Splitter, Tray type PLCSplitter, and Rack mount type PLC Splitter, the fiber interface support SC, FC,LC or customized with other types of connectors. The connector polishing typesupport UPC and APC ( with 8 degree angle ).

FiberCasa provides PLC Splitter with multiple channels of 1xN and 2xN,including 1x2, 1x4, 1x8, 1x16,1x32,1x64, and 2x2, 2x4, 2x8, 2x16, 2x32, 2x64.The Splitter with lower insertion loss, high stability and reliability, good,uniformity, the PLC splitter could meet different requirement for the FTTx OSPnetwork.

Note: Provide SC,FC,LC,ST connectors for choice; APC or UPC polishing typeas customer request.

Parameter Port ConfigurationType 1x2 1x4 1x8 1x16 1x32 1x64Operation Wavelength (nm) 1260-1650Insertion Loss (dB) 4.0 7.3 10.5 13.7 16.8 21.0Loss Uniformity(dB) 0.6 0.6 0.8 1.2 1.5 2.5

Return Loss (dB)UPC Connector 50APC Connector 55

Directivity(dB) 55Power Handing(mw) 300PDL(dB) 0.2 0.2 0.3 0.3 0.3 0.4Operating Temperature(℃) - 40 -85Storage Temperature(℃) - 40 -85

Note 1: All measurement at room temperature and excluding connector loss.Note 2: For devices with connectors,insertion loss will be 0.3dB higher, returnloss >50dB(UPC), >55dB(APC)

Parameter Port ConfigurationType 2x2 2x4 2x8 2x16 2x32 2x64Operation Wavelength (nm) 1260-1660Insertion Loss (dB) 4.0 7.6 11.0 14.5 17.5 21.5Loss Uniformity(dB) 0.6 0.6 0.8 1.2 1.5 2.5

Return Loss (dB)UPC Connector 50APC Connector 55

Directivity(dB) 55Power Handing(mw) 300PDL(dB) 0.2 0.2 0.3 0.4 0.4 0.4TDL(dB) 0.5 0.5 0.5 0.5 0.5 0.5Operating Temperature(℃) - 40 -85Storage Temperature(℃) - 40 -85

Note 1: All measurement at room temperature and excluding connector loss.Note 2: For devices with connectors,insertion loss will be 0.3dB higher, returnloss >50dB(UPC), >55dB(APC)

View: www.fibercasa.com or www.fiber-optic-fusion-splicer.comFor more information