Apparatus for measurement of molecular orientation

Details Apparatus for measurement of molecular orientation Apparatus for measurement of molecular orientation

1982-07-23

1985-06-04

Willis, Davis L.

Optics: measuring and testing

By polarized light examination

With polariscopes

2504611, 356429, G01J 404

Patent

active

045211116

ABSTRACT:
An apparatus for measuring the degree and direction of molecular orientation in film as it advances from a stretching zone. The apparatus includes a detection circuit which receives synchronous and sinusoidal reference and analytical signals based on a beam of rotating linearly polarized light.

REFERENCES:
patent: 3525871 (1970-08-01), Lehtinen
patent: 3679309 (1972-07-01), Hiragaki et al.
patent: 3759618 (1973-09-01), Rogers et al.
patent: 3914057 (1975-10-01), Smith et al.
patent: 3955096 (1976-05-01), Faulhaber
patent: 4140902 (1979-02-01), Young
patent: 4264207 (1981-04-01), Batyrev et al.
J. Lavorel et al., A New Method of Fluorescence Polarization Measurement, Biochimie (1972) 54, 161-165.

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