GIST Scholar
College of Natural Sciences
Department of Physics and Photon Science
2. Conference Papers
Development of third harmonic generation as a short pulse probe of shock heated material
- Type
- Conference Paper
- Citation
- 15th Biennial International Conference of the APS Topical Group on Shock Compression of Condensed Matter, SCCM 2007, pp.1097 - 1100
- Issued Date
- 2007-06
- Abstract
- We are studying high-pressure laser produced shock waves in silicon (100). To examine the material dynamics, we are performing pump-probe style experiments utilizing 600 ps and 40 fs laser pulses from a Ti:sapphire laser. Two-dimensional interferometry reveals information about the shock breakout, while third harmonic light generated at the rear surface is used to infer the crystalline state of the material as a function of time. Sustained third harmonic generation (THG) during a ∼100 kbar shock breakout indicate that the rear surface remains crystalline for at least 3 ns. However, a decrease in THG during a ∼300 kbar shock breakout suggests a different behavior, which could include a change in crystalline structure. © 2007 American Institute of Physics.
- Publisher
- American institute of physics
- Conference Place
- US
- Appears in Collections:
- Department of Physics and Photon Science > 2. Conference Papers
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