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Terahertz plastic compound lenses.
Wichmann, M; Mondol, A S; Kocic, N; Lippert, S; Probst, T; Schwerdtfeger, M; Schumann, S; Hochrein, T; Heidemeyer, P; Bastian, M; Bastian, G; Koch, M.
Afiliación
  • Wichmann M; Department of Physics and Materials Sciences Center, Philipps-Universität Marburg, Marburg, Germany. matthias.wichmann@physik.uni-marburg.de
Appl Opt ; 52(18): 4186-91, 2013 Jun 20.
Article en En | MEDLINE | ID: mdl-23842159
We present terahertz (THz) lenses made of highly refracting polymeric compounds which provide a better focusing performance and an increased functionality in comparison to conventional THz lenses. Using mixtures consisting of polypropylene (PP) and alumina as well as PP and zinc sulfide allows a significant increase of the refractive index while simultaneously keeping a low extinction and dispersion. With these new material combinations, lenses with an increased focusing capability are realized. This is evaluated by focal plane measurements using a fiber coupled THz time-domain spectrometer.

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Appl Opt Año: 2013 Tipo del documento: Article País de afiliación: Alemania

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Idioma: En Revista: Appl Opt Año: 2013 Tipo del documento: Article País de afiliación: Alemania