抄録
We present the results of experiments that assess the viability of anti-Stokes scattering to investigate in situ materials at high temperatures. Both anti-Stokes and Stokes Raman measurements have been performed at various high temperatures using hafnia as a test material. As compared with Stokes Raman spectra, anti-Stokes spectra were observed with lower thermal emission backgrounds in accordance with Planck's equation. The intensity ratio of anti-Stokes to Stokes scattering approaches 1 as the temperature increases at high temperatures satisfying the Boltzmann distribution law. These results clearly demonstrate the advantage and feasibility of anti-Stokes Raman scattering for the elimination of the thermal emission in comparison with Stokes scattering.
本文言語 | English |
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ページ(範囲) | 937-939 |
ページ数 | 3 |
ジャーナル | Applied Physics Letters |
巻 | 79 |
号 | 7 |
DOI | |
出版ステータス | Published - 2001 8月 13 |
外部発表 | はい |
ASJC Scopus subject areas
- 物理学および天文学(その他)