Lasers, Optics & Photonics Manufacturing worked example

Optical Alignment Workload at 18% verification and re-alignment allowance: a worked example

Suppose verification and re-alignment allowance falls to 18%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate total hours for optical alignment tasks (beam steering, collimation, fiber coupling, interferometer setup) based on the number of alignment operations, average time per alignment, and verification allowance.

The inputs for this scenario

  • Number of alignment operations: 30 operations (held at the documented default)
  • Average time per alignment: 3 operations / hr (held at the documented default)
  • Verification and re-alignment allowance: 18 % (the input this scenario stresses; the baseline uses 25)

Working through the calculation

  • The calculation starts from the formula this tool documents: Base alignment time = alignment operations / average alignment rate.
  • Total alignment workload (with verification) works out to 11.8 hr at these inputs, and this is the headline figure for the scenario.
  • Base alignment time works out to 10 hr at these inputs.
  • Verification and re-alignment time added works out to 18 % at these inputs.
  • Alignment rate works out to 3 pieces / min at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where verification and re-alignment allowance sits at 25% and the headline result is 12.5 hr, this scenario comes in 5.6% below the baseline at 11.8 hr.
  • It computes total alignment hours by dividing alignment operations by the alignment rate and inflating that base time with a verification and re-alignment allowance. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Total alignment workload (with verification): 11.8 hr (headline result)
  • Base alignment time: 10 hr
  • Verification and re-alignment time added: 18 %
  • Alignment rate: 3 pieces / min

Run it with your numbers

  • To rerun this with your own numbers, open the live Optical Alignment Workload calculator, set verification and re-alignment allowance to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.