Prostiranje elektromagnetnih talasa kroz hiralne metamaterijale u terahercnom frekventnom opsegu
Propagation of electromagnetic waves through chiral metamaterials in terahertz frequency range.
Author
Stojanović, DankaMentor
Hadžievski, Ljupčo
Committee members
Radovanović, Jelena
Milanović, Vitomir
Beličev, Petra

Ilić, Milan

Metadata
Show full item recordAbstract
Sve ve´ca primena terahercnog zraˇcenja u oblasti komunikacija, spektroskopije
i imidˇzinga, posledica je njegovih jedinstvenih osobina, a posebno ˇcinjenice da
prodire u mnoge izolatorske materijale. Pomenute primene omogu´cene su realizacijom
uredaja koji su operativni na terahercnim frekvencijama. Njihova konstrukcija
moˇze biti zasnovana na metamaterijalima, veˇstaˇcki napravljenim strukturama
koje se sastoje od periodiˇcno rasporedenih rezonantnih elemenata. Ovim
materijalima je mogu´ce posti´ci jaku interakciju sa terahercnim elektromagnetnim
talasima, usled ˇcega su u fokusu aktuelnih istraˇzivanja. Hiralni metamaterijali, kao
podvrsta metamaterijala karakteristiˇcne geometrije, su od posebnog interesa zbog
drugaˇcijeg odziva na upadne levo i desno cirkularno polarizovane talase. Ova osobina
omogu´cava brojne primene od kojih su najznaˇcajnije enantiomerski senzori i
komponente potrebne za manipulaciju cirkularno polarizovanih terahercnih talasa...
The unique features and especially the property of terahertz radiation that it can
penetrate into many insulting materials make them ideal for diverse applications in
the field of communications, spectroscopy and imaging. These applications are enabled
by the realization of devices which operate at terahertz frequencies. Their
construction can be based on metamaterials, artificially made structures which consist
of periodically distributed resonant elements. Metamaterials provide a strong
interaction with terahertz electromagnetic waves, which places them in the focus of
current investigations. Chiral metamaterials, as a class of metamaterials with characteristic
geometry, are of the special interest due to the different response to left and
right circularly polarized waves. This feature allows numerous applications among
which the most significant are enantiomeric sensors and components necessary for
manipulation of circularly polarized waves...
Faculty:
Универзитет у Београду, Електротехнички факултетDate:
09-07-2018Projects:
- Functional, Functionalized and Advanced Nanomaterials (RS-45005)
- Photonics of micro and nano structured materials (RS-45010)