Uploaded January 2023 | Updated September 2026, 27 minutes ago

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This video explains the movement of the cleave blade before and during a cleave process including the difference between the Blade Offset and Pre-Cleave Advance parameters. Furthermore, this video will demonstrate how to adjust the Blade Offset after the cleave blade has been repositioned or replaced.

For more information on LDC Cleavers suitable for 80um to 1250um clad fibers, please visit:
thorlabs.com/newgrouppage9.cfm?objectgroup_id=9352&ytid=O3TUedEGwBc

For more information on portable cleavers for 200um to 800um, please visit:
thorlabs.com/newgrouppage9.cfm?objectgroup_id=13997&ytid=O3TUedEGwBc

Chapters:
0:00 Title
0:18 Tension and Scribe
0:43 Blade Offset vs Pre-Cleave Advance
2:27 Using a Standard Reference Fiber
3:46 Blade Service Position and Blade Offset Values
5:00 Verify Blade Offset and Fine Adjustment
5:41 Inspecting Cleave Performance