Person:
Kippelen, Bernard

Associated Organization(s)
ORCID
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Publication Search Results

Now showing 1 - 2 of 2
  • Item
    Direct imaging through scattering media by use of efficient third-harmonic generation in organic materials
    (Georgia Institute of Technology, 2004-11) Ramos-Ortiz, Gabriel ; Cha, Myoungsik ; Kippelen, Bernard ; Walker, Gregory A. ; Barlow, Stephen ; Marder, Seth R.
    We report on real-time, time-gated, direct imaging through scattering media with an attenuation of 14 mean-free paths by use of third-harmonic generation in the eye-safe and telecommunication-compatible near-IR spectral region (1550 nm).
  • Item
    Video-rate compatible photorefractive polymers with stable dynamic properties under continuous operation
    (Georgia Institute of Technology, 2004-09) Fuentes-Hernandez, Canek ; Thomas, Jayan ; Termine, Roberto ; Meredith, Gerald ; Peyghambarian, Nasser ; Kippelen, Bernard ; Barlow, Stephen ; Walker, Gregory A. ; Marder, Seth R. ; Yamamoto, Michiharu ; Cammack, Kevin ; Matsumoto, Kenji
    We report on photorefractive polymer composites that exhibit stable dynamic properties under continuous operation. These materials are based on a bis-triarylamine side-chain polymer matrix with a low ionization potential. The evolution of the response time for exposures up to 4 kJ∕cm² was studied and compared with that obtained in poly(n-vinylcarbazole) (PVK) based composites. In the composites, operational stability is combined with video-rate compatible dynamics, large dynamic range at moderate fields, and long shelf lifetimes.