Fused silica and Pyrex fibers having radii less than one micron have been prepared and mounted in a light-scattering photometer. Each of the polarized components of the scattered light has been observed over the angular range from 15° to 130° for perpendicular incidence. Experiments were carried out for λ=436 mμ and 546 mμ. By comparison of these data with computations corresponding to the model of an infinitely long circular cylinder, it has been possible to determine the radius to within less than 1%. These results have been compared with direct electron microscope observations which are considerably less precise and less accurate.
Other fibers consisting of tungsten, platinum, gold-coated Pyrex and paraffin-coated tungsten were also studied, but these have not yet been successfully analyzed.
© 1966 Optical Society of AmericaFull Article | PDF Article
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