PROBLEM TO BE SOLVED: To provide a photodetector for an optical power meter to measure optical power by being located near a condenser lens and receiving the light condensed by the condenser lens, in which the measured value of the optical power will not change widely, even if the distance ...
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AsshowninFig6.1(c),anylightraysthatareincidentatanglesgreaterthanA1ofFig6.1(b)willbereflectedbackintomaterial1withangleA2equaltoA1.ThisconditioninFig6.1(c)istheoneofparticularinterestforopticalfibers.Fiberopticcablesarenotsusceptibletoelectronicnoiseandsohavemuchlowererrorratesthannormaltelephonewireandcable.In...
The LE1D2VS04000 provides four 10GE optical ports, which can only be used for cluster connection and cannot be used for data transmission and switching. The LE1D2VS04000 can be installed in the subcard slot of the LE1D2SRUH000, LE1D2SRUH002, LE1D2SRUE000, a...
The optical unit has: a light-shielding portion can be displaced forward and backward positions; with the power supply terminal is connected to the connecting portion and the shielding portion of the output shaft (152), by the rotation of the output shaft from the light shielding portion in ...
3.Application of OTN in the Electric Power Industry 3.1 Introduction OTN is a multi-service integrated optical transmission network, which can flexibly carry 2 Mbit/s to 100 Gbit/s services. 2 Mbit/s to 1 Gbit/s automatic control services of the power dispatching network can use SDH pri...
There is an urgent need for the power industry to introduce the production service-oriented small container optical service unit (OSU) into the existing OTN architecture in order to efficiently transmit services at a rate of lower than 1 Gbit/s. The OTN OSU technology effectively carries the...
1. Check whether the optical fiber is damaged; 2. Check whether the optical fiber is connected normally to the appropriate interface; 3. Check whether the received optical power of the ONU is below specifications with an opticalpower meter; ...
摘要: Two techniques based on modeling of the measurement process of the system measuring transducer – digital voltmeter are proposed.关键词: measuring transducer digital voltmeter standard deviation simulation modeling standard unit of power laser radiation power jump ...
speed of data transmission gigahertz GHz frequency gilbert Gb magnetomotive force gram g mass, weight grams per cubic centimeter g/cm3 density henry H inductance hertz (cycles per second) Hz frequency horsepower HP power hour h time inch