设计了一种设施农业中用于光谱监测的光学膜,利用截止滤波器组合得到了3种设施农业用光学膜-红光膜、蓝光膜及红蓝滤光膜,红、蓝光中心波长分别在460 nm、660 nm,透光带宽约50 nm.红、蓝光透光波段根据植物对光谱的需求设定,在实际应用中可根据需要设定其透光的中心波长及带宽.该滤光片可用于制作设施农业及农业研究中的光谱监测单元,将特定的光学膜片置于晶硅光伏芯片上,通过测定光伏芯片的发电量来监测光学膜片预设波段的光强度.
An optical film used for spectrum monitoring in facility agriculture is designed.Three kinds of optical films used in facility agricultural,red light filter,blue light filter,red and blue light filter are obtained by the combination of cut-off filters.Center wavelengths of red light and blue light are at 460 nm and 660 nm,respectively,and the transmission bandwidth is about 50 rim.The light transmission bands of red light and blue light are set according to demands of the plant to spectrum.In practical application,the center wavelength and bandwidth of light transmission can be set as needed.The filters can be used to make spectrum monitoring cells used in facility agriculture and agricultural research.The specific optical film is placed on the silicon photovoltaic chip,and light intensity of the optical panel preset band is monitored by measuring the power of the photovoltaic chip.
参考文献
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