27 January 2017 Optical limiting in suspension of detonation nanodiamonds in engine oil
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J. of Nanophotonics, 11(3), 032502 (2017). doi:10.1117/1.JNP.11.032502
Abstract
The optical limiting (OL) of detonation nanodiamond (DND) suspensions in engine oil was studied at a temperature range of 20°C to 100°C. Oil suspensions were prepared on the basis of the DNDs with an average nanoparticle cluster size in hydrosols ( D aver ) of 50 and 110 nm. Raman spectroscopy was used to characterize the samples. The OL investigation was carried out by the z -scan technique. The fundamental (1064 nm) and second (532 nm) harmonic radiations of YAG : Nd 3 + laser with passive Q-switching as an excitation source were used. The OL thresholds for both suspensions at 532 and 1064 nm were determined. It is shown that a decrease in the average nanoparticle cluster size as well as an increase of the wavelength of the incident radiation leads to the OL threshold increase. It is established that the OL performance is not influenced by increasing the temperature from 20°C to 100°C. The results obtained show the possibility of using the DNDs suspensions in engine oil as an optical limiter in a wide temperature range.
Konstantin G. Mikheev, Roman Yu. Krivenkov, Tatyana N. Mogileva, Alexey P. Puzyr, Vladimir S. Bondar, Denis L. Bulatov, Gennady M. Mikheev, "Optical limiting in suspension of detonation nanodiamonds in engine oil," Journal of Nanophotonics 11(3), 032502 (27 January 2017). http://dx.doi.org/10.1117/1.JNP.11.032502
Submission: Received 1 November 2016; Accepted 28 December 2016
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KEYWORDS
Transmittance

Optical limiting

Raman spectroscopy

Nanoparticles

Temperature metrology

Photodetectors

Particles

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