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Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Conceptual design of the zoom optics. Figure Legend: From: High performance long-wave.

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Presentation on theme: "Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Conceptual design of the zoom optics. Figure Legend: From: High performance long-wave."— Presentation transcript:

1 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Conceptual design of the zoom optics. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

2 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Schematic of zoom optics: (a) narrow field of view (NFOV), and (b) wide field of view (WFOV). Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

3 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Modulation transfer function (MTF) of the zoom optics: (a) narrow field of view (NFOV), (b) medium field of view (MFOV), and (c) wide field of view (WFOV). Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

4 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. The optical layout of the TEC projector. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

5 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Block diagram of the electronics. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

6 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Diagram of the two-point correction method for nonuniformity correction of the detector. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

7 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Contrast enhancement technique using plateau equalization. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

8 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Assembled LWIR zoom sensor: (a) 3-D model and (b) photograph. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

9 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Narcissus intensity ratio on all surfaces of the LWIR zoom optics. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

10 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. The measured modulation transfer function data on on-axis optical performance in NFOV: (a) LSF graph and (b) MTF graph. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

11 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Zoom images of the LWIR zoom sensor taken in HDTV format at system magnification ratios (a) ×6.7 (system magnification), (b) ×10, (c) ×15, and (d) ×20. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

12 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. MRTD of the sensor measured at the maximum magnification. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

13 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Defocus on the image plane with the variation of environmental temperature. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842

14 Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Athermalized images taken in TV format in the winter. (temperature is near 0°C): (a) in WFOV, and (b) in NFOV. Figure Legend: From: High performance long-wave infrared sensor with large zoom optics and high- definition television format Opt. Eng. 2006;45(12):123201-123201-9. doi:10.1117/1.2403842


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