Design and Test of Portable Hyperspectral Imaging Spectrometer

Abstract

We design and implement a portable hyperspectral imaging spectrometer, which has high spectral resolution, high spatial resolution, small volume, and low weight. The flight test has been conducted, and the hyperspectral images are acquired successfully. To achieve high performance, small volume, and regular appearance, an improved Dyson structure is designed and used in the hyperspectral imaging spectrometer. The hyperspectral imaging spectrometer is suitable for the small platform such as CubeSat and UAV (unmanned aerial vehicle), and it is also convenient to use for hyperspectral imaging acquiring in the laboratory and the field.

Rotational hyperspectral scanner and related image reconstruction algorithm

“…Apart from scientific usage, there is also a growing trend towards portable or hand-hold hyperspectral imaging spectrometer [23][24][25] , which will widely expand its application. Contrary to scientific hyperspectral imaging equipment, it must be light in weight and compact in structure.…”

Spectral Diffractive Lenses for Measuring a Modified Red Edge Simple Ratio Index and a Water Band Index

“…Considering that a full-range hyperspectrometer is rather costly, it would be inexpedient to mount it on an irrigating machine [5], which uses a single vegetation index. A possible way to address this problem is through simplifying the hyperspectrometer design, with many recent publications discussing issues of the miniaturization and reduction of cost of the hyperspectrometers and multispectrometers [18][19][20][21][22][23][24][25][26][27][28][29]. Notably, some papers offered very unconventional approaches.…”