1974
DOI: 10.1002/bbpc.19740780910
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Helixstruktur und optische Aktivität in flüssigen Kristallen

Abstract: Es wird ein Überblick gegeben über die optischen Eigenschaften verdrillter, anisotroper Flüssigkeiten (Doppelbrechung, optische Rotationsdispersion, Zirkulardichroismus). Cholesterische und verdrillte smektische C‐Phasen besitzen vergleichbare optische Eigenschaften als Folge einer helicoidalen Anordnung der Moleküllängsachsen, einerlei ob diese in einer Phase mit statistischer Schwerpunktsverteilung oder in einer solchen mit geordneter Schichtstruktur auftritt.Im zweiten Teil wird die molekular‐statistische T… Show more

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Cited by 29 publications
(3 citation statements)
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“…Considering a generally valid calibration function and an unambiguous assignment, this is not reasonable. Algorithms (5)(6)(7)(8) show the characteristic curve shape of an arctan around H = 90 • along the abscissa. Conversion algorithms (6-8) additionally exhibit an offset, both along the abscissa toward approximately H = 130 • respectively H = 150 • and in the direction of negative values along the ordinate toward approximately H = −35 • , −40 • , and −60 • .…”
Section: Resulting Conversion Algorithms and Discussionmentioning
confidence: 99%
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“…Considering a generally valid calibration function and an unambiguous assignment, this is not reasonable. Algorithms (5)(6)(7)(8) show the characteristic curve shape of an arctan around H = 90 • along the abscissa. Conversion algorithms (6-8) additionally exhibit an offset, both along the abscissa toward approximately H = 130 • respectively H = 150 • and in the direction of negative values along the ordinate toward approximately H = −35 • , −40 • , and −60 • .…”
Section: Resulting Conversion Algorithms and Discussionmentioning
confidence: 99%
“…It can be represented by two oppositely circularly polarized waves. These are described as left-handed circularly polarized and right-handed circularly polarized, respectively [6]. At λ ≈ p, strong scattering of circularly polarized light occurs, provided it has the same direction of rotation as the chiralnematic structure.…”
Section: Toward Quantitative Wall Shear Stress Measurements Using Liq...mentioning
confidence: 99%
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