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Using the T-matrix method, detailed numerical computation and comparative analysis on the distributions of light scattering matrix of fire smoke particles and non-fire smoke particles are carried out. The results show that when the wavelength of incident light changes, the degrees of variation on elements of fire smoke particles are different from those of non-fire smoke particles. By using dual-wavelength pulsed laser as incident ligh, through detecting appropriate element of light scattering matrix and combining XOR logical operation, the fire smoke particles can be distinguished from non-fire smoke particles, thereby reducing the misinformation caused by non-fire smoke particles.
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Keywords:
- scattering /
- T-matrix /
- dual-wavelength
[1] Mishchenko M I, Travis L D, Lacis A 2002 Scattering, Absorption and Emission of Light by Small Particles (UK: Cambridge University Press) 3 68
[2] Koylu U O, Faeth G M, Farias T L 1995 Combust. Flame 100 621
[3] Zubkoe, Shkuratovy, Videeng 2006 J. Quant. Spectrosc. Ra. 5100 483
[4] Waterman P C 1965 Proc. IEEE 53 805
[5] Waterman P C 1971 Phys. Rev. D 3 825
[6] Loepfe M, Ryser P, Tompkin C 1997 J. Fire Safety 29 185
[7] Xie Q Y 2006 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese) [谢启源 2006 博士学位论文 (合肥: 中国科技大学)]
[8] Nousiainen T, Muinonen K 1999 J. Quant. Spectrosc. Ra. 63 643
[9] Wu Y, Zhou X D 2007 J. Environ. Occ. Med. 24 528 (in Chinese) [吴禹, 周向东 2007 环境与职业医学 24 528]
[10] Zhang Q, Deng X J, Zhang Q X, Li Y D, Zhang Y M 2010 Acta Phys. Sin. 59 7442 (in Chinese) [张青, 邓小玖, 张启兴, 李耀东, 张永明 2010 59 7442]
[11] Michael M I, Larry D T, Daniel W 1996 J. Quant. Spectrosc. Ra. 55 535
[12] Dingeman J W, Michael M I, Andreas M, Barbara E C 1997 Appl. Opt. 36 4305
[13] Zhang Y G, Deng X J, Li Y D, Sun W, Zhang Y M 2012 Chin. J. Lasers 39 0408004 (in Chinese) [张延岗, 邓小玖, 李耀东, 孙悟, 张永明 2012 中国激光 39 0408004]
[14] Qiao L F, Zhang Y M, Xie Q Y 2007 Acta Phys. Sin. 56 6736 (in Chinese) [乔利锋, 张永明, 谢启源 2007 56 6736]
[15] Shu X M, Fang J, Shen S F, Liu Y J, Yuan H Y, Fang W C 2006 Acta Phys. Sin. 55 4466 (in Chinese) [疏学明, 方俊, 申世飞, 刘勇进, 袁宏永, 范维澄 2006 55 4466]
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[1] Mishchenko M I, Travis L D, Lacis A 2002 Scattering, Absorption and Emission of Light by Small Particles (UK: Cambridge University Press) 3 68
[2] Koylu U O, Faeth G M, Farias T L 1995 Combust. Flame 100 621
[3] Zubkoe, Shkuratovy, Videeng 2006 J. Quant. Spectrosc. Ra. 5100 483
[4] Waterman P C 1965 Proc. IEEE 53 805
[5] Waterman P C 1971 Phys. Rev. D 3 825
[6] Loepfe M, Ryser P, Tompkin C 1997 J. Fire Safety 29 185
[7] Xie Q Y 2006 Ph. D. Dissertation (Hefei: University of Science and Technology of China) (in Chinese) [谢启源 2006 博士学位论文 (合肥: 中国科技大学)]
[8] Nousiainen T, Muinonen K 1999 J. Quant. Spectrosc. Ra. 63 643
[9] Wu Y, Zhou X D 2007 J. Environ. Occ. Med. 24 528 (in Chinese) [吴禹, 周向东 2007 环境与职业医学 24 528]
[10] Zhang Q, Deng X J, Zhang Q X, Li Y D, Zhang Y M 2010 Acta Phys. Sin. 59 7442 (in Chinese) [张青, 邓小玖, 张启兴, 李耀东, 张永明 2010 59 7442]
[11] Michael M I, Larry D T, Daniel W 1996 J. Quant. Spectrosc. Ra. 55 535
[12] Dingeman J W, Michael M I, Andreas M, Barbara E C 1997 Appl. Opt. 36 4305
[13] Zhang Y G, Deng X J, Li Y D, Sun W, Zhang Y M 2012 Chin. J. Lasers 39 0408004 (in Chinese) [张延岗, 邓小玖, 李耀东, 孙悟, 张永明 2012 中国激光 39 0408004]
[14] Qiao L F, Zhang Y M, Xie Q Y 2007 Acta Phys. Sin. 56 6736 (in Chinese) [乔利锋, 张永明, 谢启源 2007 56 6736]
[15] Shu X M, Fang J, Shen S F, Liu Y J, Yuan H Y, Fang W C 2006 Acta Phys. Sin. 55 4466 (in Chinese) [疏学明, 方俊, 申世飞, 刘勇进, 袁宏永, 范维澄 2006 55 4466]
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