Research Papers

Development and characterization of an electrically tunable liquid-crystal Fabry–Pérot hyperspectral imaging device

[+] Author Affiliations
Kan Liu

Huazhong University of Science and Technology, Institute for Pattern Recognition and Artificial Intelligence, National Key Laboratory of Science and Technology on Multispectral Information Processing, Wuhan 430074, Hubei, China

Wuhan National Laboratory for Optoelectronics, Wuhan 430074, Hubei, China

Hui Li

Huazhong University of Science and Technology, Institute for Pattern Recognition and Artificial Intelligence, National Key Laboratory of Science and Technology on Multispectral Information Processing, Wuhan 430074, Hubei, China

Wuhan National Laboratory for Optoelectronics, Wuhan 430074, Hubei, China

Xinyu Zhang

Huazhong University of Science and Technology, Institute for Pattern Recognition and Artificial Intelligence, National Key Laboratory of Science and Technology on Multispectral Information Processing, Wuhan 430074, Hubei, China

Wuhan National Laboratory for Optoelectronics, Wuhan 430074, Hubei, China

Dehua Li, Xue Jiang, Tianxu Zhang

Huazhong University of Science and Technology, Institute for Pattern Recognition and Artificial Intelligence, National Key Laboratory of Science and Technology on Multispectral Information Processing, Wuhan 430074, Hubei, China

ChangSheng Xie

Wuhan National Laboratory for Optoelectronics, Wuhan 430074, Hubei, China

J. Appl. Remote Sens. 5(1), 053539 (July 18, 2011). doi:10.1117/1.3613946
History: Received October 25, 2009; Revised June 20, 2011; Accepted June 28, 2011; Published July 18, 2011; Online July 18, 2011
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A smart spectral imaging detection method based on the integration of an electrically tunable liquid-crystal Fabry–Pérot microstructure and a focal plane array is discussed. The layout of the spectral device is designed effectively and prototypes with working wavelengths in the range of 800 to 900 nm were fabricated using ultraviolet photolithography and wet etching. Measurements were carried out with careful analysis. Based on the results, this paper proposes a smart spectral imaging array device structure that can potentially obtain the image of many spectral bands simultaneously in one picture frame. Some key issues concerning such structures for imaging applications and calibration are discussed. Without any mechanical parts, this kind of spectral component exhibits some advantages such as low cost and compact integration.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Kan Liu ; Hui Li ; Xinyu Zhang ; Dehua Li ; Xue Jiang, et al.
"Development and characterization of an electrically tunable liquid-crystal Fabry–Pérot hyperspectral imaging device", J. Appl. Remote Sens. 5(1), 053539 (July 18, 2011). ; http://dx.doi.org/10.1117/1.3613946


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