We demonstrate an asymmetric 4-gap square ring resonator terahertz (THz) metasurface as an ultra-sensitive biological sensor. Polarization-insensitive modes due to asymmetry exhibit low minimal detectable concentration of bovine serum albumin.
© 2017 Optical Society of America
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