Optical limiting performance of a novel σ-π alternating polymer

Chengyou Liu, Heping Zeng, Yusaburo Segawa, Mitsuo Kira

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Nonlinear optical absorption and optical limiting behavior of a novel σ-π alternating polymer, poly(disilanylene-2,2′-bipyridine-5,5′-diyl) ruthenium complex were evaluated with nanosecond pulses at 532 nm. The limiting throughputs at three concentrations were investigated. The experimental results indicated that this sample is very efficient as an optical limiting material. Using the standard Z-scan technique, we obtained the effective two-photon absorption coefficient. The theoretical fits to the data give a value of β = 3.5 cm/GW.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalOptics Communications
Volume162
Issue number1
DOIs
StatePublished - 1 Apr 1999
Externally publishedYes

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