3 papers
physics.optics2026
Recirculating frequency-shifting loop for flexible optical chirp generation and FMCW LiDAR
Alexander Mrokon, Sebastian Schöler, Leonard Vossgrag +2
A recirculating frequency-shifting loop (FSL) provides a highly flexible platform for generating coherent optically chirped light with tunable bandwidth, duration, chirp rate and r…
physics.optics2026
Electro-optic frequency combs for multi-wavelength digital holography with high dynamic range
Leonard VoÃgrag, Annelie Schiller, Tobias Seyler +3
Multi-wavelength digital holography enables surface-shape measurements with an exceptional dynamic range by combining interferometric resolution with synthetic wavelengths spanning…
physics.optics2025
Dynamically reconfigurable multi-wavelength interferometry
Leonard Vossgrag, Annelie Schiller, Tobias Seyler +4
Single-wavelength interferometry achieves high resolution for smooth surfaces but struggles with rough, industrially relevant ones due to limited unambiguous measuring range and sp…