Douglas W Shepard

Title: Innovations of Douglas W. Shepard

Introduction

Douglas W. Shepard is a notable inventor based in Santa Barbara, CA. He has made significant contributions to the field of optical measurement technology. With a total of 3 patents, his work has advanced the capabilities of refractometers and detection systems.

Latest Patents

One of his latest patents is the "Extended range interferometric refractometer." This invention provides a method and apparatus for measuring the refractive index difference between a reference and sample liquid using an interferometric design. The device boasts an almost unlimited range of operation, overcoming the limitations of conventional interferometric refractometers. The measurement is achieved by tracking the angle of polarization rotation of a combined beam, allowing for accurate readings over many rotations.

Another significant patent is the "Apparatus to reduce inhomogeneities in optical flow cells." This invention modifies a capillary tube used for transferring liquid samples into detection cells. By creating multiple ports near the plugged end of the tube, the fluid is split into smaller streams that quickly homogenize the contents of the detection cell. This innovation enhances the efficiency of liquid transfer in chromatographic systems.

Career Highlights

Douglas W. Shepard is currently employed at Wyatt Technology Corporation, where he continues to develop innovative solutions in optical measurement. His work has been instrumental in improving the accuracy and efficiency of various measurement devices.

Collaborations

Some of his notable coworkers include Gary R. Janik and Steven P. Trainoff. Their collaborative efforts contribute to the advancement of technology in their field.

Conclusion

Douglas W. Shepard's contributions to optical measurement technology through his patents demonstrate his innovative spirit and dedication to advancing scientific understanding. His work continues to influence the industry and improve measurement techniques.