Abstract

We study the influence of dielectric function of metals on the transmission properties of terahertz pulses through periodically patterned subwavelength holes. Because of a drastic increase in the value of dielectric constants, most metals become highly conductive at terahertz frequencies. Extraordinary terahertz transmission is observed in subwavelength hole arrays made from both good and poor electrical conductors. The measured transmittance of terahertz pulses is found to be enhanced with increasing ratio of the real to the imaginary dielectric constant of the constituent metals, for which the dielectric function follows the Drude model.

© 2006 Optical Society of America

Full Article  |  PDF Article
Related Articles
Transmission of THz radiation through InSb gratings of subwavelength apertures

Jaime Gómez Rivas, Christof Janke, Peter Haring Bolivar, and Heinrich Kurz
Opt. Express 13(3) 847-859 (2005)

Effect of a thin dielectric layer on terahertz transmission characteristics for metal hole arrays

Masaki Tanaka, Fumiaki Miyamaru, Masanori Hangyo, Takeshi Tanaka, Masamichi Akazawa, and Eiichi Sano
Opt. Lett. 30(10) 1210-1212 (2005)

References

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
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by 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
or
Login to access OSA Member Subscription

Figures (4)

You do not have subscription access to this journal. Figure files 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
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics 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
or
Login to access OSA Member Subscription