Apparatus for automatically recording the hedepolarization ratios of raman bands专利检索-光电倍增管传感器与探测器专利检索查询-专利查询网

Apparatus for automatically recording the hedepolarization ratios of raman bands

阅读：536发布：2023-05-15

专利汇可以提供Apparatus for automatically recording the hedepolarization ratios of raman bands专利检索，专利查询，专利分析的服务。并且Two rays of light polarized parallel and perpendicular with respect to a plane are produced from a single ray of light generated by a laser. By alternately illuminating a sample with the said two rays of light, two Raman scattering light rays having different intensities are produced and in turn applied to a monochromator where they are dispersed according to wave length. After dispersion, the rays are detected by a photomultiplier and the resultant signals applied to a division circuit where the depolarization ratio is automatically calculated. This process is repeated for subsequent sets of signals, thereby effecting a continuous operational sequence.，下面是Apparatus for automatically recording the hedepolarization ratios of raman bands专利的具体信息内容。

权利要求

1. An apparatus for automatically recording the Raman Spectrum and the depolarization ratios of Raman bands of a sample comprising: A. a monochromatic light source; B. means for obtaining two incident rays of light polarized respectively parallel and perpendicular to a reference plane, said means being located in the optical path between said light source and said sample; C. means for alternately illuminating said sample with said two incident rays of light; D. a monochromator for dispersing the resultant scattered Raman light rays; E. means for creating electrical signals indicative of the intensity of the dispersed Raman light rays; F. detecting means for detecting the intensity of either one of the electrical signals resulting from the two differently polarized incident rays of light; G. an analyzing circuit for providing a signal indicative of the ratio of the intermittent electrical signals resulting from the two differently polarized rays of light; and, H. means for recording the output signals of said detecting means and said analyzing circuit simultaneously.

2. An apparatus according to claim 1 wherein said light source comprises a laser providing a plane polarized monochromatic output.

2. a control circuit and a circuit means for feeding back the differential voltage observed in the comparing circuit to control the intensity of both electrical signals maintaining the signal based on the parallel polarized incident rays of light constant;

3. circuit means for producing a signal being the difference between the signal voltage of the Raman light resulting from the perpendicular polarized incident rays of light, said signal being indicative of the depolarization ratios; and, H. means for recording the depolarization ratios and the output signal of the detecting means simuLtaneously.

3. An apparatus for automatically recording the Raman Spectrum and the depolarization ratios of Raman bands of a sample comprising: A. a monochromatic light source; B. means for obtaining two incident rays of light polarized respectively parallel and perpendicular to a reference plane, said means being located in the optical path between said light source and said sample; C. means for alternately illuminating said sample with said two incident rays of light; D. a monochromator for dispersing the resultant scattered Raman light rays; E. means for creating an electrical signal indicative of the intensity of the dispersed Raman light rays; F. detecting means for detecting the intensity of either one of the electrical signals resulting from the two differently polarized incident rays of light; G. an analyzing circuit for providing a signal indicative of the ratio of the intermittent electrical signals supplied thereto comprising:

4. An apparatus for automatically recording the Raman Spectrum and the depolarization ratios of Raman bands of a sample comprising A. a monochromatic light source; B. means for obtaining two incident rays of light polarized respectively parallel and perpendicular to a reference plane, said means being located in the optical path between said light source and said sample, C. means for alternately illuminating said sample with said two incident rays of light; D. a monochromator for dispersing the resultant scattered Raman light rays; E. means for creating an electrical signal indicative of the intensity of the dispersed Raman light rays; F. detecting means for detecting the intensity of either one of the electrical signals resulting from the two differently polarized incident rays of light; G. means for producing a differential signal of said electrical signals; H. means for attenuating the intensity of the incident light polarized parallel to the plane according to said differential signal so as to equalize the intensities of the two Raman light rays; and, I. means for recording the attenuation coefficient of the incident light polarized parallel to the plane and the output signal of said detecting means simultaneously.

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Apparatus for automatically recording the hedepolarization ratios of raman bands

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