Memory-based high-speed interferometer

Details Memory-based high-speed interferometer Memory-based high-speed interferometer

2011-08-02

2011-08-02

Lee, Hwa S. A (Department: 2886)

Optics: measuring and testing

By light interference

For dimensional measurement

Reexamination Certificate

active

07990542

ABSTRACT:
An interferometer produces a first optical signal and a second optical signal interfering with each other. The optical signals are converted digital signals form addresses. A memory stores data values corresponding to the first and second optical signals, and in which the addresses are used to directly read the data values stored at the addresses. The data values stored in the memory can be dynamically adapting while converting the first and second optical signals and reading the data values.

REFERENCES:
patent: 4583856 (1986-04-01), Moore
patent: 4641971 (1987-02-01), Korth
patent: 4886363 (1989-12-01), Jungquist
patent: 2009/0257067 (2009-10-01), Chapman et al.
patent: 0511117 (1992-10-01), None

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