Patent ID: 6426045
Filing Date: 2002-07-30
Classification: G01N,Y10T

Abstract:
An apparatus for measuring refractive index of sample comprising:(a) a source of light capable of transmitting a beam of light through said biological sample; (b) a sample cell assembly having a chamber for containing said biological sample, said chamber having a first window, a second window, a third window, and a fourth window, said third window and said fourth window perpendicular to said first window and said second window, said third window parallel to said fourth window, said first window not parallel to said second window; and (c) a detector, said source of light, said first window, and said second window positioned such that a beam of light from said source of light is capable of entering said first window of said chamber, is capable of being transmitted through said sample, is capable of emerging from said second window of said chamber, wherein said beam of light entering said first window is not parallel to said beam of light emerging from said second window and is not perpendicular to said first window.