Programmable spectral  engine design of hyperspectral image projectors based on digital micro-mirror device (DMD)

Xicheng Wang; Jiaobo Gao; Jianghui Wu; Jianjun Li; Hongliang Cheng

doi:10.1117/12.2255586

28 February 2017 Programmable spectral engine design of hyperspectral image projectors based on digital micro-mirror device (DMD)

Xicheng Wang, Jiaobo Gao, Jianghui Wu, Jianjun Li, Hongliang Cheng

Author Affiliations +

Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 102565R (2017) https://doi.org/10.1117/12.2255586
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China

Abstract

Recently, hyperspectral image projectors (HIP) have been developed in the field of remote sensing. For the advanced performance of system-level validation, target detection and hyperspectral image calibration, HIP has great possibility of development in military, medicine, commercial and so on. HIP is based on the digital micro-mirror device (DMD) and projection technology, which is capable to project arbitrary programmable spectra (controlled by PC) into the each pixel of the IUT¹ (instrument under test), such that the projected image could simulate realistic scenes that hyperspectral image could be measured during its use and enable system-level performance testing and validation. In this paper, we built a visible hyperspectral image projector also called the visible target simulator with double DMDs, which the first DMD is used to product the selected monochromatic light from the wavelength of 410 to 720 um, and the light come to the other one. Then we use computer to load image of realistic scenes to the second DMD, so that the target condition and background could be project by the second DMD with the selected monochromatic light. The target condition can be simulated and the experiment could be controlled and repeated in the lab, making the detector instrument could be tested in the lab. For the moment, we make the focus on the spectral engine design include the optical system, research of DMD programmable spectrum and the spectral resolution of the selected spectrum. The detail is shown.

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Xicheng Wang, Jiaobo Gao, Jianghui Wu, Jianjun Li, and Hongliang Cheng "Programmable spectral engine design of hyperspectral image projectors based on digital micro-mirror device (DMD)", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 102565R (28 February 2017); https://doi.org/10.1117/12.2255586

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KEYWORDS

Digital micromirror devices

Hyperspectral imaging

Projection systems

Device simulation

Digital imaging

Hyperspectral simulation

Micromirrors

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