Observation of Second Harmonic Generation in Doped Polymeric Carbon Monoxide
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Second harmonic generation (SHG) experiments were conducted on samples of a novel material: doped polymeric CO (dp-CO) that were synthesized via synchrotron X-ray irradiation of SrC2O4 and high pressure. The goal of the study was to ascertain if the novel material is rugged enough to handle high levels of radiation to enable its possible use as future sensors or optoelectronic devices. Three samples were tested. Two of the smaller samples that were synthesized in a diamond anvil cell (DAC) and recovered at ambient conditions rapidly decomposed/degraded in the presence of the strong 3.6 × 109 mW/cm2 intensity optical beam. The larger sample that was synthesized in a Paris-Edinburgh cell at 3 GPa after 1.5 h of hard X-ray white beam irradiation and also recovered to ambient conditions was not damaged by a 6.1 × 109 mW/cm2 strength optical beam and exhibited second harmonic generation. This lends credence that this novel material (when synthesized under select conditions) may offer utility as a rugged radiation hardened and easy to manufacture nonlinear optical device.
X-rays; High pressure; Second harmonic generation; SrC2O4; Optical sensor
Atomic, Molecular and Optical Physics | Materials Science and Engineering
Pravica, M. G.,
Rabasovic, M. D.,
Krmpot, A. J.,
Nikolic, M. G.
Observation of Second Harmonic Generation in Doped Polymeric Carbon Monoxide.
Materials Letters, 256