The resolution of optical microscopy can be extended by synthetic aperture techniques using extreme off-axis illumination. Illuminating the object through a sapphire substrate extends the resolution to <100 nm at a 405 nm wavelength.

© 2019 The Author(s)

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription