Telecom Hardware Solutions Conference Proceedings


SPLICING LOSS CONTROL AND ASSEMBLY YIELD MANAGEMENT

Author: Dr. Katsuji Takasu
Company: Siemens Dematic EAS
Date Published: 5/15/2002   Conference: Telecom Hardware Solutions


Abstract: Fusion splicers are used to interconnect optical components with low transmission loss, minimum reflection, and longterm stability. The main quality aspect of a spliced joint between two optical components is the transmission loss. The loss is caused by non-linear interaction of various mechanisms, such as fiber core offset, fiber core bending, core dopant diffusion, etc. Therefore, the resulting loss value spreads with a characteristic distribution function. Some of those mechanisms can be controlled mechanically.

However, in a common fusion splicer system, a main source for randomness is the variation of the fiber heating in time. It is critical to control the fiber heating in order to achieve high quality and high yield of fusion splicing at a high volume assembly environment. This paper discusses the correlation between the stability of fiber heating of fusion splicer and the resulting loss distribution as a basis to control the yield of factory assembly.

Keywords: fiber, splice, loss, loss distribution, fusion, electrode, stabilize, yield, acceptance criterion, rework.



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