Abstract

We report results from a field demonstration of a nonscanning high-speed imaging spectrometer [computed-tomography imaging spectrometer (CTIS)] capable of simultaneously recording spatial and spectral information about a rapidly changing scene. High-speed spectral imaging was demonstrated by collection of spectral and spatial snapshots of a missile in flight. This instrument is based on computed-tomography concepts and operates in the visible spectrum (430–710  nm). Raw image data were recorded at video frame rate (30  frames/s) and an integration time of 2  ms. An iterative reconstruction of the spatial and spectral scene information from each raw image took 10  s. We present representative missile spectral signatures from the missile firing. The accuracy of the high-speed spectrometer is demonstrated by comparison of extended-source static-scene spectra acquired by a nonimaging reference spectrometer with spectra acquired by use of CTIS imaging of the same static scenes.

© 1997 Optical Society of America

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1997 (1)

1995 (3)

1993 (1)

1991 (2)

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

T. Okamoto and I. Yamaguchi, Opt. Lett. 16, 1277 (1991).
[CrossRef] [PubMed]

1987 (1)

W. M. Porter and H. T. Enmark, Proc. SPIE 834, 22 (1987).
[CrossRef]

1985 (1)

A. F. H. Goetz, Science 228, 1147 (1985).
[CrossRef] [PubMed]

1982 (1)

L. A. Shepp and Y. Vardi, IEEE Trans. Med. Imaging MI-1, 113 (1982).
[CrossRef]

1980 (1)

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

An, M.

J. M. Mooney, V. E. Vickers, M. An, and A. K. Brodzik, “High-throughput hyperspectral infrared camera,” J. Opt. Soc. Am. A (to be published).

Anderson, M. E.

R. W. Basedow, D. C. Carmer, and M. E. Anderson, Proc. SPIE 2480, 258 (1995).
[CrossRef]

Basedow, R. W.

R. W. Basedow, D. C. Carmer, and M. E. Anderson, Proc. SPIE 2480, 258 (1995).
[CrossRef]

Bernhardt, P. A.

Brodzik, A. K.

J. M. Mooney, V. E. Vickers, M. An, and A. K. Brodzik, “High-throughput hyperspectral infrared camera,” J. Opt. Soc. Am. A (to be published).

Bulygin, F. V.

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

Carmer, D. C.

R. W. Basedow, D. C. Carmer, and M. E. Anderson, Proc. SPIE 2480, 258 (1995).
[CrossRef]

Dereniak, E. L.

Descour, M. R.

Edholm, P.

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

Enmark, H. T.

W. M. Porter and H. T. Enmark, Proc. SPIE 834, 22 (1987).
[CrossRef]

Gleason, T. M.

Goetz, A. F. H.

A. F. H. Goetz, Science 228, 1147 (1985).
[CrossRef] [PubMed]

Granlund, G. H.

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

Hopkins, M. F.

Karpukhin, D. V.

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

Knutsson, H. E.

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

Levin, G. G.

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

Maker, P. D.

Mooney, J. M.

J. M. Mooney, V. E. Vickers, M. An, and A. K. Brodzik, “High-throughput hyperspectral infrared camera,” J. Opt. Soc. Am. A (to be published).

Okamoto, T.

Petersson, C. U.

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

Porter, W. M.

W. M. Porter and H. T. Enmark, Proc. SPIE 834, 22 (1987).
[CrossRef]

Shepp, L. A.

L. A. Shepp and Y. Vardi, IEEE Trans. Med. Imaging MI-1, 113 (1982).
[CrossRef]

Takahashi, A.

Vardi, Y.

L. A. Shepp and Y. Vardi, IEEE Trans. Med. Imaging MI-1, 113 (1982).
[CrossRef]

Vickers, V. E.

J. M. Mooney, V. E. Vickers, M. An, and A. K. Brodzik, “High-throughput hyperspectral infrared camera,” J. Opt. Soc. Am. A (to be published).

Vishnyakov, G. N.

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

Volin, C. E.

Wilson, D. W.

Yamaguchi, I.

Appl. Opt. (2)

Appl. Spectrosc. (1)

IEEE Trans. Biomed. Eng. (1)

H. E. Knutsson, P. Edholm, G. H. Granlund, and C. U. Petersson, IEEE Trans. Biomed. Eng. BME-27, 640 (1980).
[CrossRef]

IEEE Trans. Med. Imaging (1)

L. A. Shepp and Y. Vardi, IEEE Trans. Med. Imaging MI-1, 113 (1982).
[CrossRef]

J. Opt. Soc. Am. A (1)

Opt. Lett. (1)

Opt. Spectrosc. (USSR) (1)

F. V. Bulygin, G. N. Vishnyakov, G. G. Levin, and D. V. Karpukhin, Opt. Spectrosc. (USSR) 71, 561 (1991).

Proc. SPIE (2)

R. W. Basedow, D. C. Carmer, and M. E. Anderson, Proc. SPIE 2480, 258 (1995).
[CrossRef]

W. M. Porter and H. T. Enmark, Proc. SPIE 834, 22 (1987).
[CrossRef]

Science (1)

A. F. H. Goetz, Science 228, 1147 (1985).
[CrossRef] [PubMed]

Other (2)

J. M. Mooney, V. E. Vickers, M. An, and A. K. Brodzik, “High-throughput hyperspectral infrared camera,” J. Opt. Soc. Am. A (to be published).

M. R. Descour, “Non-scanning imaging spectrometry,” Ph.D. dissertation (University of Arizona, Tucson, Ariz., 1994).

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Figures (4)

Fig. 1
Fig. 1

Layout of the CTIS instrument.

Fig. 2
Fig. 2

Comparison of spectral signatures measured with the reference spectrometer and CTIS. ◇, CTIS spectra. See text for discussion.

Fig. 3
Fig. 3

Representative raw CTIS image from the missile-firing image set. The image is shown in reversed contrast. The inset shows a magnified center 0th-order image. See text for details.

Fig. 4
Fig. 4

Missile spectrum and corresponding background spectrum. (a)–(c) correspond to times during the missile's flight separated by 0.93  s.

Equations (1)

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