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Infrared Dual-field-of-view Optical System Design with Electro-Optic/Laser Common-aperture Optics

Open Access Open Access

Abstract

We report a midinfrared dual-field-of-view (FOV) optical system design for an airborne electro-optical targeting system. To achieve miniaturization and weight reduction of the system, it has a common aperture and fore-optics for three different spectral wavelength bands: an electro-optic (EO) band (0.6~0.9 μm), a midinfrared (IR) band (3.6~4.9 μm), and a designation laser wavelength (1.064 μm). It is free to steer the line of sight by rotating the pitch and roll axes. Our design co-aligns the roll axis, and the line of sight therefore has a fixed entrance pupil position for all optical paths, unlike previously reported dual-FOV designs, which dispenses with image coregistration that is otherwise required. The fore-optics is essentially an achromatized, collimated beam reducer for all bands. Following the fore-optics, the bands are split into the dual-FOV IR path and the EO/laser path by a beam splitter. The subsequent dual-FOV IR path design consists of a zoom lens group and a relay lens group. The IR path with the fore-optics provides two stepwise FOVs (1.50° × 1.20° to 5.40° × 4.32°), due to the insertion of two Si lenses into the zoom lens group. The IR optical system is designed in such a way that the location and f-number (f/5.3) of the cold stop internally provided by the IR detector are maintained when changing the zoom. The design also satisfies several important performance requirements, including an on-axis modulation transfer function (MTF) that exceeds 10% at the Nyquist frequency of the IR detector pitch, with distortion of less than 2%.

© 2018 Optical Society of Korea

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References

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  3. Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .
  4. L. Zhang, J. Lai, Y. Huang, Design of visible/long-wave infrared dual-band imaging optical system .
  5. M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .
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    [Crossref]
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  9. W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .
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    [Crossref]
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    [Crossref]
  18. A. Miks, J. Novak, "Paraxial analysis of three-component zoom lens with fixed distance between object and image points and fixed position of image-space focal point," Opt. Express 22, 15571‒15576 (2014)
    [Crossref]
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2014 (1)

2013 (1)

Y. Nevo, "Dual-band optics," Opt. Eng. 52, 053002 (2013)
[Crossref]

2012 (1)

S. Pal, L. Hazra, "Structure design of mechanically compensated zoom lenses by evolutionary programming," Opt. Eng. 51, 063001 (2012)
[Crossref]

2011 (1)

2007 (1)

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

1999 (1)

D. Ren, J. R. Allington-Smith, "Apochromatic lenses for near-infrared astronomical instruments," Opt. Eng. 38, 537‒542 (1999)
[Crossref]

Allington-Smith, J. R.

D. Ren, J. R. Allington-Smith, "Apochromatic lenses for near-infrared astronomical instruments," Opt. Eng. 38, 537‒542 (1999)
[Crossref]

Chang, W.-J.

W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .

Chen, L.

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Clark, I.

I. Clark, Exploitation of EO Technologies from the EMRS DTC .

Dumont, F.

G. E. Wiese, F. Dumont, Refractive multispectral objective lens system and methods of selecting optical materials therefor US Patent .

Fritze, J.

M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .

Gat, N.

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Gerken, M.

M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .

Gurrola, H.

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Hazra, L.

S. Pal, L. Hazra, "Structure design of mechanically compensated zoom lenses by evolutionary programming," Opt. Eng. 51, 063001 (2012)
[Crossref]

Hong, J.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Housand, B. J.

B. J. Housand, S. J. Jesse, Combined laser/FLIR optics system US Patent .

Huang, K.-L.

K.-L. Huang, Synthesis of first order designs of optically compensated catadioptric zoom optical systems .

Huang, Y.

L. Zhang, J. Lai, Y. Huang, Design of visible/long-wave infrared dual-band imaging optical system .

Jesse, S. J.

B. J. Housand, S. J. Jesse, Combined laser/FLIR optics system US Patent .

Jung, Y.

Kim, H.

Kim, S.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Kim, Y.

Klocek, P.

P. Klocek, Handbook of Infrared Optical Materials .

Lai, J.

L. Zhang, J. Lai, Y. Huang, Design of visible/long-wave infrared dual-band imaging optical system .

Lee, H.

Lee, J.

J. Lee, Y. Jung, S. Ryoo, Y. Kim, B. Park, H. Kim, S. Youn, K. Park, H. Lee, "Imaging performance analysis of an EO/IR dual band airborne camera," J. Opt. Soc. Korea 15, 174‒181 (2011)
[Crossref]

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Li, M. D.

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Luan, Y.-D.

W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .

Mahmoud, A.

A. Mahmoud, D. Xu, L. Xu, Optical design of high resolution and shared aperture electro-optical/infrared sensor for UAV remote sensing applications .

Miks, A.

Munzberg, M.

M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .

Nevo, Y.

Y. Nevo, "Dual-band optics," Opt. Eng. 52, 053002 (2013)
[Crossref]

Noh, C.

Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .

Novak, J.

Pal, S.

S. Pal, L. Hazra, "Structure design of mechanically compensated zoom lenses by evolutionary programming," Opt. Eng. 51, 063001 (2012)
[Crossref]

Park, B.

Park, K.

Ren, D.

D. Ren, J. R. Allington-Smith, "Apochromatic lenses for near-infrared astronomical instruments," Opt. Eng. 38, 537‒542 (1999)
[Crossref]

Ryoo, S.

Ryu, D.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Schlemmer, H.

H. Vogel, H. Schlemmer, Dual-band infrared camera .

Sementelli, R. G.

R. G. Sementelli, EO/IR dual-band reconnaissance system DB-110 .

Seong, S.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Shin, M.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Song, D.

Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .

Vogel, H.

H. Vogel, H. Schlemmer, Dual-band infrared camera .

Weispfenning, M.

M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .

Wiese, G. E.

G. E. Wiese, F. Dumont, Refractive multispectral objective lens system and methods of selecting optical materials therefor US Patent .

Xu, D.

A. Mahmoud, D. Xu, L. Xu, Optical design of high resolution and shared aperture electro-optical/infrared sensor for UAV remote sensing applications .

Xu, L.

A. Mahmoud, D. Xu, L. Xu, Optical design of high resolution and shared aperture electro-optical/infrared sensor for UAV remote sensing applications .

Yoon, J.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Yoon, Y.

Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .

Youn, S.

Yu, G.

Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .

Yua, J.

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

Zhang, B.

W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .

Zhang, J.

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Zhang, L.

L. Zhang, J. Lai, Y. Huang, Design of visible/long-wave infrared dual-band imaging optical system .

Zhang, X.-Z.

W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .

J. Opt. Soc. Korea (1)

Opt. Eng. (3)

Y. Nevo, "Dual-band optics," Opt. Eng. 52, 053002 (2013)
[Crossref]

S. Pal, L. Hazra, "Structure design of mechanically compensated zoom lenses by evolutionary programming," Opt. Eng. 51, 063001 (2012)
[Crossref]

D. Ren, J. R. Allington-Smith, "Apochromatic lenses for near-infrared astronomical instruments," Opt. Eng. 38, 537‒542 (1999)
[Crossref]

Opt. Express (1)

Proc. SPIE (1)

N. Gat, J. Zhang, M. D. Li, L. Chen, H. Gurrola, "Variable cold stop for matching IR cameras to multiple f-number optics," Proc. SPIE 6542, 65420Y (2007)

Other (13)

K.-L. Huang, Synthesis of first order designs of optically compensated catadioptric zoom optical systems .

B. J. Housand, S. J. Jesse, Combined laser/FLIR optics system US Patent .

P. Klocek, Handbook of Infrared Optical Materials .

G. E. Wiese, F. Dumont, Refractive multispectral objective lens system and methods of selecting optical materials therefor US Patent .

S. Seong, J. Yua, D. Ryu, J. Hong, J. Yoon, S. Kim, J. Lee, M. Shin, Imaging and radiometric performance simulation for a new high performance dual band airborne reconnaissance camera .

A. Mahmoud, D. Xu, L. Xu, Optical design of high resolution and shared aperture electro-optical/infrared sensor for UAV remote sensing applications .

W.-J. Chang, X.-Z. Zhang, Y.-D. Luan, B. Zhang, Dual FOV infrared lens design with the laser common aperture optics .

R. G. Sementelli, EO/IR dual-band reconnaissance system DB-110 .

H. Vogel, H. Schlemmer, Dual-band infrared camera .

I. Clark, Exploitation of EO Technologies from the EMRS DTC .

Y. Yoon, G. Yu, C. Noh, D. Song, Robust scanning scheme over large area for airborne EO/IR camera .

L. Zhang, J. Lai, Y. Huang, Design of visible/long-wave infrared dual-band imaging optical system .

M. Gerken, J. Fritze, M. Munzberg, M. Weispfenning, Military reconnaissance platform for the spectral range from the visible to the MWIR .

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