Weiyuan Sun Email & Phone Number

San Jose, CA, US

Palo Alto, CA, US

• RESEARCH: Focused kV X-ray Modulated Conformal Radiotherapy for Small Targets (NIH funded project)The proposed focused kV x-ray technique by polycapillary lens can deliver personalized highly-conformal radiation.
• Developing experimental advanced focused kV X-ray modulated conformal radiotherapy system based on polycapillary optics.
• Simulating the dose delivery with Geant4 and TOPAS platform by Monte Carlo methods.

Albany, N.Y., US

• RESEARCH: Grating-free X-ray phase imaging and quantitative phase retrieval
• Developed experimental advanced grating-free X-ray phase imaging techniques, including polycapillary optics propagation-based imaging, mesh-based imaging, and polycapillary-mesh combined imaging systems.
• Validated the potential of phase imaging in medical applications by obtaining clear subtle details of low-density tissues in biological samples, in comparison with conventional attenuation imaging.
• Improved the mesh-based imaging by deriving the geometric approximation of the deflection angle to realize quantitative phase retrieval.
• Achieved high accuracy of quantitative retrieved phase based on polycapillary-mesh combined imaging employing fast Fourier transform (FFT) and deconvolution algorithm.
• Collaborated to build a high-fidelity simulation model to optimize the imaging parameters.

Albany, N.Y., US

• Lecture grading and tutoring in the physics department ungraduated courses: Mathematics in Physics (APHY235), Mechanics (APHY320), Electromagnetism I: Statics (APHY340), Quantum Physics I (APHY440), Quantum Physics II.
• Teaching Electronics lab (APHY415/515) for 5 semesters

Albany, N.Y., US

• RESEARCH: Dosage measurements and calculation for focused beam orthovoltage therapy
• Experimentally realized the focusing of 45 kVp X-rays to achieve pinpoint accuracy of dose delivery, based on polycapillary X-ray lenses and tissue-equivalent material.
• Modeled the system and validated that the dosage can be controlled quantitatively to give a medically usable value for cancer treatment.

北京, CN

• RESEARCH: Numerical design of X-ray tabletop Talbot interferometer
• Simulated the polycapillary optic as a two-dimensional X-ray grating with a high aspect ratio.
• Numerically designed an X-ray Talbot interferometer with polycapillary gratings and studied its imaging properties.

北京, CN

• RESEARCH: Analyzed the effect of scanning distance on diffraction peak intensity.
• Simulated the process and built theoretical curves of the relationship between the grain size and the FWHM of the intensity curve.
• Determined the two-dimensional grain size distribution from the scanned intensity curve.

北京, CN

• RESEARCH: Numerical design of in-line X-ray phase-contrast imaging with ellipsoidal single-bounce monocapillary optics
• Simulated distribution of the X-rays in the focal spot of ellipsoidal single-bounce monocapillary optics.
• Simulated the in-line phase contrast imaging by forwarding propagation model with ellipsoidal single-bounce monocapillary optics and large spot laboratory X-ray source.

Doctor Of Philosophy - Phd, Physics

Master'S Degree, Material Physics And Chemistry

Bachelor Of Engineering - Be, Material Forming And Control Engineering