Effect of hybrid field coupling in nanostructured surfaces on anisotropic signal detection in nanoscale infrared spectroscopic imaging methods

Key Points

• Anisotropic intensity distributions were found on nanostructured surfaces, enhancing measurement precision.
• Key evidence shows significant variations in polarization-sensitive spectra across nanoscale imaging techniques.
• Analysis includes data from several nanoscale infrared spectroscopic imaging methods, indicating diverse surface interactions.
• These findings support improved signal detection strategies in future nanoscale infrared applications.