Phase retrieval from single interferogram without carrier using Lissajous ellipse fitting technology
It is a general problem to demodulate 3-D phase information from the recording 2-D intensity distributions in optical metrology. Temporal phase-shifting (TPS) interferometry is the most accurate one 1 ...
Vibrations can produce a number of significant challenges when conducting phase-shifting laser interferometer measurements. Today’s advanced interferometers have the capacity to measure with nanometer ...
Segmented mirror telescopes form the backbone of modern optical astronomy, enabling apertures far exceeding the fabrication limits of monolithic mirrors. Precise piston alignment of individual mirror ...
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