Transverse Waves Explained: How Energy Travels Through Space and Matter
January 15, 2026 · 18 min read
Optics Researcher & Physics Educator
PhD in Applied Physics — Stanford University
Dr. Elena Vasquez holds a PhD in Applied Physics from Stanford University, where her doctoral research focused on wave phenomena in photonic structures — specifically the propagation, polarization, and interference of electromagnetic waves in engineered optical materials. Her work included experimental collaboration with groups at NASA's Jet Propulsion Laboratory (JPL) on optical measurement techniques for remote sensing instruments.
Her research background spans both the classical and quantum descriptions of light: from Maxwell's equations and geometric optics to coherence theory and quantum optics. This breadth gives her articles a distinctive quality — she explains the electromagnetic spectrum, diffraction, and refraction not as isolated facts but as manifestations of a single underlying wave theory.
Dr. Vasquez writes for students who want more than a formula — she aims to give readers the physical intuition that comes from working with waves experimentally. Her articles on transverse waves, longitudinal waves, the Doppler effect, Young's double-slit experiment, and reflection and refraction are among the most thorough treatments of wave physics available at introductory level.
Research Areas
Polarization optics, photonic materials, wave interference and diffraction, electromagnetic propagation in structured media
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