Thermal tunability of photonic bandgaps in liquid crystal infiltrated microstructured polymer optical fibers.
We demonstrate the photonic bandgap effect and the thermal tunability of bandgaps in microstructured polymer optical fibers infiltrated with liquid crystal. Two liquid crystals with opposite sign of the temperature gradient of the ordinary refractive index (E7 and MDA-00-1444) are used to demonstrate that both signs of the thermal tunability of the bandgaps are possible. The useful bandgaps are ultimately bounded to the visible range by the transparency window of the polymer.
Yuan
Wu
W
DTU Fotonik, Dept. of Photonics Engineering, Technical University of Denmark, DK-2800 Kgs Lyngby, Denmark. wyuan@fotonik.dtu.dk
Wei
Lei
L
Alkeskjold
Thomas Tanggaard
TT
Bjarklev
Anders
A
Bang
Ole
O
D004867:Equipment Design; D019544:Equipment Failure Analysis; D050866:Liquid Crystals / Q000737:chemistry*; D008904:Miniaturization; D055100:Optical Fibers; D017785:Photons; D011108:Polymers / Q000737:chemistry*; D013696:Temperature
D011108:Polymers