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http://hdl.handle.net/10397/93972
Title: | Enhanced THz-to-IR emission from gas-surrounded metallic nanostructures by femtosecond laser irradiation | Authors: | Zhang, L Wu, T Zhao, H Zhang, C Jin, W Zhang, XC |
Issue Date: | 15-Dec-2016 | Source: | Optics communications, 15 Dec. 2016, v. 381, p. 414-417 | Abstract: | Enhanced terahertz-to-infrared (THz-to-IR) emission from gas-surrounded nanostructured metal films as a result of femtosecond laser irradiation is systematically investigated using selected gases. The dependencies of the THz-to-IR power on the gas species, gas pressure, and pump optical power are studied for Ar, N2, Ne, and He. The experimental results reveal that the power of the THz-to-IR emission is related to the thermal conductivity of the gas in question. Moreover, the THz-to-IR emission power is dramatically enhanced when the gas pressure is close to zero. | Keywords: | Nanostructured materials Surface plasmons Thermal effect |
Publisher: | Elsevier | Journal: | Optics communications | ISSN: | 0030-4018 | EISSN: | 1873-0310 | DOI: | 10.1016/j.optcom.2016.07.053 | Rights: | © 2016 Elsevier B.V. All rights reserved. © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Zhang, L., Wu, T., Zhao, H., Zhang, C., Jin, W., & Zhang, X. C. (2016). Enhanced THz-to-IR emission from gas-surrounded metallic nanostructures by femtosecond laser irradiation. Optics Communications, 381, 414-417 is available at https://doi.org/10.1016/j.optcom.2016.07.053. |
Appears in Collections: | Journal/Magazine Article |
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