Analysis of optical properties of bio-smoke materials in the 0.25–14 μm band<xref rid="cpb_28_3_034201fn1" ref-type="fn">*</xref><fn id="cpb_28_3_034201fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61271353 and 60908033) and the Natural Science Foundation of Anhui Province, China (Grant No. 1408085MKL47).</p></fn>

Analysis of optical properties of bio-smoke materials in the 0.25–14 μm band**

Project supported by the National Natural Science Foundation of China (Grant Nos. 61271353 and 60908033) and the Natural Science Foundation of Anhui Province, China (Grant No. 1408085MKL47).

Zhao Xinying^{1, 2}, Hu Yihua^{1, 2, †}, Gu Youlin^{1, 2}, Chen Xi^{1, 2}, Wang Xinyu^{1, 2}, Wang Peng³, Dong Xiao^{1, 2}

Spectral reflectance measurement of bio-smoke materials in the 0.25 μm to 14 μm band. (a) Operational principle of the measurement of the reflection spectrum using a spectrophotometer. (b) Reflectivity of bio-smoke materials in 0.25–2.5 μm. (c) Schematic diagram of installation of bio-smoke material tablets and a gold-plated mirror on the microscope stage. (d) Reflectivity of bio-smoke materials in 2.5–14 μm. (b) and (d) share the same legend.