Patent ID: 11920929
Assignee: CANON U.S.A., INC.
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 10:
11. The apparatus of claim 10, wherein the apparatus further comprises or is connected to one or more of the following:
a light source that operates to produce a light;
an interference optical system that operates to: (i) receive and divide the light from the light source into a first light with which an object or sample is to be irradiated and a second reference light, (ii) send the second reference light for reflection off of a reference mirror of the interference optical system, and (iii) generate interference light by causing reflected or scattered light of the first light with which the object or sample has been irradiated and the reflected second reference light to combine or recombine, and to interfere, with each other, the interference light generating one or more interference patterns; and/or
one or more detectors that operate to continuously acquire the interference light and/or the one or more interference patterns such that the at least one A-line or A-lines is/are obtained.