TUNABLE TERAHERTZ FISHNET METAMATERIAL

ResearchWorks/Manakin Repository

Search ResearchWorks


Advanced Search

Browse

My Account

Statistics

Related Information

TUNABLE TERAHERTZ FISHNET METAMATERIAL

Show full item record

Title: TUNABLE TERAHERTZ FISHNET METAMATERIAL
Author: Chang, Cheng-Ling
Abstract: A tunable fishnet metamaterial (TFMM) was designed and fabricated to prove its potential in controlling terahertz radiation (0.1 THz~10THz). A model to retrieve refractive index of single layer fishnet metamaterial (SLFM) was developed and applied to study the tunable frequency range of TFMM. Reference planes that define the material boundaries of SLFM and multilayer fishnet metamaterial (MLFM) were investigated to show that the material property of fishnet metamaterial is a function of layers. The issue of applying current model to MLFM was discussed. The TFMM infiltrated with a voltage-controllable polymer dispersed liquid crystal (PDLC) was fabricated and tested by terahertz time domain spectroscopy (THz-TDS). An encapsulating technique that covers PDLC with a polyimide layer (skin layer) was applied to prevent volatile liquid crystal from escaping the PDLC and enable the deposition of metal layer. Concept of tuning TFMM infiltrated with PDLC (PDLC-TFMM) was proven by measuring the frequency shift in the reflection coefficient. The negative refractive index of PDLC-TFMM was achieved. The reliability issue of current PDLC-TFMM was discussed.
Description: Thesis (Ph.D.)--University of Washington, 2012
URI: http://hdl.handle.net/1773/20810
Author requested restriction: Delay release for 2 years -- then make Open Access
Date available: 2014-09-03

Files in this item

Files Size Format View
Chang_washington_0250E_10228.pdf 3.160Mb PDF View/Open

This item appears in the following Collection(s)

Show full item record