For splicing single fibres, the big choice is between a fixed alignment splicing system and a core aligning system.

Generally, fixed alignment splicers are less than half the price of three-axis splicers. As a fixed alignment splicer is far simpler in design (with no complex motorised stages), it is far smaller and tends to be more reliable than a three-axis machine. A fixed alignment machine is easier to use and as modern fibres consistently have the core in the centre, cladding alignment still produces low losses. Therefore, the requirement for core-alignment in a splicer is not always essential.

Three-axis video alignment machines can provide an estimate of the splice loss but only for singlemode fibre, and are notoriously inaccurate.

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