A simple one-dimensional photonic crystal with a defect layer is presented as a biosensor for malaria diagnosis. Here, the defect layer is taken as blood sample of the patient where a concentration change gives rise to a significant variation of refractive index when compared with a normal blood sample. This variation of refractive index causes a shift in the transmission peak corresponding to a defect state, which can be used to diagnose malaria. The well-known transfer matrix method is used to calculate the transmission spectra. The sensitivity, quality factor, detection limit, and response time of the proposed structure are estimated as 495.73 nm/RIU, 2.03 × 10⁵, 8.07 × 10⁻⁶ RIU, and 73.8 fs.

提出了一种具有缺陷层的简单一维光子晶体作为用于疟疾诊断的生物传感器。在此，将缺损层作为患者的血样，与正常的血样相比，浓度变化引起折射率的显着变化。折射率的这种变化会导致透射峰与缺陷状态相对应的偏移，可用于诊断疟疾。众所周知的转移矩阵方法用于计算透射光谱。所提出的结构的敏感性，品质因数，检测限，以及响应时间被估计为495.73纳米/ RIU，2.03×10 ⁵，8.07×10 ^-6 RIU，和73.8 FS。