Quantum cascade laser based active hyperspectral imaging for standoff detection of chemicals on surfaces

S. Hugger; F. Fuchs; J. Jarvis; Q. K. Yang; M. Rattunde; R. Ostendorf; C. Schilling; R. Driad; W. Bronner; R. Aidam; J. Wagner; T. Tybussek; K. Rieblinger

doi:10.1117/12.2210913

13 February 2016 Quantum cascade laser based active hyperspectral imaging for standoff detection of chemicals on surfaces

S. Hugger, F. Fuchs, J. Jarvis, Q. K. Yang, M. Rattunde, R. Ostendorf, C. Schilling, R. Driad, W. Bronner, R. Aidam, J. Wagner, T. Tybussek, K. Rieblinger

Author Affiliations +

Proceedings Volume 9755, Quantum Sensing and Nano Electronics and Photonics XIII; 97550A (2016) https://doi.org/10.1117/12.2210913
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

We employ active hyperspectral imaging using tunable mid-infrared (MIR) quantum cascade lasers for contactless identification of solid and liquid contaminations on surfaces. By collecting the backscattered laser radiation with a camera, a hyperspectral data cube, containing the spatially resolved spectral information of the scene is obtained. Data is analyzed using appropriate algorithms to find the target substances even on substrates with a priori unknown spectra. Eye-save standoff detection of residues of explosives and precursors over extended distances is demonstrated and the main purpose of our system. However, it can be applied to any substance with characteristic reflectance / absorbance spectrum. As an example, we present first results of monitoring food quality by distinguishing fresh and mold contaminated peanuts by their MIR backscattering spectrum.

Citation Download Citation

S. Hugger, F. Fuchs, J. Jarvis, Q. K. Yang, M. Rattunde, R. Ostendorf, C. Schilling, R. Driad, W. Bronner, R. Aidam, J. Wagner, T. Tybussek, and K. Rieblinger "Quantum cascade laser based active hyperspectral imaging for standoff detection of chemicals on surfaces", Proc. SPIE 9755, Quantum Sensing and Nano Electronics and Photonics XIII, 97550A (13 February 2016); https://doi.org/10.1117/12.2210913

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available