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What is the performance of optical fiber connector
first optical performance, and also consider the interchangeability of optical fiber connector, repeatability, tensile strength, temperature and the number of plug, etc.
( 1) Optical performance: in the light of the optical fiber connector performance requirements, mainly is the insertion loss and return loss of the two most basic parameters. Insertion loss ( 插入损耗) The connection loss, refers to the link caused by connector import optical power loss effectively. Insertion loss as small as possible, general requirements should not be greater than zero. 5分贝。 Return loss ( 回波损耗) Refers to the optical power connector to link reflex inhibitory ability, its typical values should not be less than 25 db. Practical application of the connector, pin after the special surface polishing treatment, can make the return loss is bigger, generally not less than 45 db.
( 2) Interchangeability, repeatability optical fiber connector is gm's passive components, for the same type of optical fiber connector, generally can be used in any combination, and can be used repeatedly, and import the additional loss are generally less than 0. The range of 2 db.
( 3) Tensile strength for the best optical fiber connector, general requirements the tensile strength shall be not less than 90 n.
( 4) Temperature general requirements, optical fiber connector must be - 40 ℃ ~ + 70 ℃ temperature can be normal use.
( 5) Plug number currently using optical fiber connector are generally can plug l000 more than once.
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