近红外区由电子跃迁加上振动和转动跃迁引起的，其波数为12 500～4000cm-1(波长0.80～2.5μm)，它也是倍频和组合带区。
The synthesized CD ns-TiO_2 films absorb well into the visible light to near infrared region up to 800 nm and have narrower band gap energy of 1.98(628 nm),1.64(758 nm)and 1.26 eV(958 nm).
CD ns-TiO_2复合膜将吸收光谱从可见区扩大到800nm的近红外区,并有三个比较小的带隙:1.98(628nm)、1.64(758nm)、1.26(958nm)eV。
参考来源 - 太阳能电池掺碳纳米结构TiO·2,447,543篇论文数据，部分数据来源于NoteExpress
文章对冰片在近红外区域的光谱特性进行了实验研究。
The spectral characteristics of borneol in near infrared region were investigated in this paper.
在日射和近红外区段内，讨论吸收率比讨论发射率更为普遍。
In the solar and near infrared region it is more usual to speak of absorptivity than emissivity.
在近红外区由于弱吸收本体效应起主要作用，这三种光谱形状相似。
The shapes of the three spectra are similar in the near-infrared region owing to the bulk effect.
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