authors
- DADRASNIA, EHSAN
- PUTHUKODAN, SUJITHA
- V K THALAKKATUKALATHIL, VINOD
- LAMELA RIVERA, HORACIO
- DUCOURNAU, GUILLAUME
- GARET, FREDERIC
- LAMPIN, J.-F.
- COUTAZ, JEAN-LOUIS
Sub-THz Characterisation of Monolayer Graphene
Articles
Overview
published in
- Journal of Spectroscopy Journal
publication date
- July 2014
volume
- 2014
Digital Object Identifier (DOI)
International Standard Serial Number (ISSN)
- 2314-4920
Electronic International Standard Serial Number (EISSN)
- 2314-4939
abstract
- We explore the optical and electrical characteristics of monolayer graphene by using pulsed optoelectronic terahertz time-domain spectroscopy in the frequency range of 325&-500 GHz based on fast direct measurements of phase and amplitude. We also show that these parameters can, however, be measured with higher resolution using a free space continuous wave measurement technique associated with a vector network analyzer that offers a good dynamic range. All the scattering parameters (both magnitude and phase) are measured simultaneously. The Nicholson-Ross-Weir method is implemented to extract the monolayer graphene parameters at the aforementioned frequency range.
Classification
keywords
- monolayer graphene; pulsed optoelectronic terahertz time-domain spectroscopy; higher resolution; free space continuous wave measurement technique; vector network analyzer; nicholson-ross-weir method