Tatjana Quast

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About

Tatjana Quast is a leading researcher in optical metrology, with a focus on advancing measurement techniques for diffuse reflectometry and polarization. Her key contributions center on the development of novel radiation sources and gonioreflectometer systems, particularly at the Physikalisch-Technische Bundesanstalt (PTB), where she has pioneered the use of LED-based sphere radiators to enhance spectral radiance factor measurements. Her most-cited work, "Novel LED-based radiation source and its application in diffuse reflectometry and polarization measurements" (2022), demonstrates her ability to bridge engineering and fundamental radiometry, achieving improved temporal stability and spatial homogeneity in light sources. While her citation count is still growing—a testament to the emerging nature of her field—her impact is significant within the precision measurement community, where her innovations support calibration standards for remote sensing, material characterization, and polarization-dependent applications. Quast’s work is notable for its practical rigor, offering robust solutions to long-standing challenges in gonioreflectometry, and she is recognized as a rising expert in the development of next-generation optical standards.