Prototype apparatus constructed to test feasibility of two-color holographic interferometric scheme in which data for reconstructing holographic wavefront obtained with help of phase-shifting technique. Provides two sets of data needed to solve equations for effects of temperature and concentration. Concept extended to holography at three or more wavelengths to measure three or more phenomena associated with significant variations in index of refraction
Multicolor Holography With Phase Shifting
NASA Tech Briefs ; 20 , 4
1996-04-01
Sonstige
Keine Angabe
Englisch
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