Patent ID: 11860093
Assignee: THE BOEING COMPANY
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A system for inspecting a surface, comprising:
an optical system including at least one optical element, the optical system configured to:
direct a first pulse of light having a first wavelength to a first point along a scan line and a second pulse of light having a second wavelength to a second point along the scan line during a first time period, and
direct a third pulse of light having the first wavelength to the second point and a fourth pulse of light having the second wavelength to the first point during a second time period; and

a gated camera configured to:
record a first fluorescent response of the surface to the first pulse of light and a second fluorescent response of the surface to the second pulse of light, and
record a third fluorescent response of the surface to the third pulse of light and a fourth fluorescent response of the surface to the fourth pulse of light.