The optical analog of negative temperature coefficient resistance

Year: 2002

Authors: Wiersma D., Righini R., Colocci M., Aliev FM.

Autors Affiliation: European Lab Nonlinear Spect, I-50125 Florence, Italy;
Inst Nazl Fis Mat, I-50125 Florence, Italy;
Univ Colorado, Dept Phys,
Boulder, CO 80309 USA

Abstract: Light propagation in disordered dielectric materials shows many similarities with electron transport. The most simple example of this is Ohm’s law which has a counterpart in optics as well. We have performed optical measurements on the transmission through opaque liquid crystals and infiltrated porous glasses to illustrate this effect. In particular, we have studied a system where the “optical resistivity” can be made temperature dependent.

Journal/Review: IEEE JOURNAL OF QUANTUM ELECTRONICS

Volume: 38 (7)      Pages from: 934  to: 937

More Information: This work was supported by the EC under Contract HPRI-CT-1999-00111 and by the INFM section E project RANDS, by the NRO under Grant N00014-99-1-0558, and ACS Grant PRF# 36418-AC7. The work of F. Aliev was supported by the Tsukuba Research Consortium–Yokoyama Nano. Structured Liquid Crystals Project.
KeyWords: Dielectric materials; Diffusion; Electron transport properties; Light propagation; Light transmission; Negative temperature coefficient; Nematic liquid crystals; Optical glass; Optical variables measurement; Porous materials; Thermal effects, Negative temperature coefficient resistance; Opaque liquid crystal; Optical analog; Optical resistivity; Porous glass, Quantum optic
DOI: 10.1109/JQE.2002.1017610

ImpactFactor: 2.097
Citations: 1
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