Abstract

As for the common acousto-optic tunable filter (AOTF), the optical wavelength is directly tuned by the frequency of the applied radio frequency (RF) signal. The working wavelength range of the RF controlled AOTF could be limited by the performance of the RF source, especially in the high frequency area. We have proposed a special noncollinear AOTF system, in which the central optical wavelength could be tuned continually by rotating the AOTF, rather than changing its RF. This arrangement is confirmed to be effective to broaden the work wavelength range of a traditional RF based AOTF with the high spectral resolution. Particularly, it is welcomed to the circumstance for the flexible spectral bandwidth. This work has presented not only an original way to tune the wavelength of the filtered optical signal but also a powerful supplement of the RF controlled AOTF. It can lead to a wider applications of a noncollinear AOTF in the field of spectral analysis, hyperspectral imaging, and etc.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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References

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2017 (4)

2016 (4)

2015 (1)

2014 (1)

C. Zhang, H. Wang, J. Huang, and Q. Gao, “The visible to the near infrared narrow band acousto-optic tunable filter and the hyperspectral microscopic imaging on biomedicine study,” J. Opt. 16(12), 125303 (2014).
[Crossref]

2010 (1)

2008 (3)

2007 (3)

2002 (1)

N. Gupta and R. Dahmani, “Acousto-optic tunable filter based visible-to near-infraed spectropolarimetric imager,” Opt. Eng. 41(5), 1033–1038 (2002).
[Crossref]

1991 (1)

1982 (1)

1976 (1)

1974 (1)

I. C. Chang, “Noncollinear acousto-optic filter with large angular aperture,” Appl. Phys. Lett. 25(7), 370–372 (1974).
[Crossref]

Ahn, J.

Batshev, V.

Bradu, A.

Chang, I. C.

I. C. Chang and P. Katzka, “Enhancement of acousto-optic filter resolution using birefringence dispersion in CdS,” Opt. Lett. 7(11), 535–536 (1982).
[Crossref] [PubMed]

I. C. Chang, “Noncollinear acousto-optic filter with large angular aperture,” Appl. Phys. Lett. 25(7), 370–372 (1974).
[Crossref]

Chin, C.

Dahmani, R.

N. Gupta and R. Dahmani, “Acousto-optic tunable filter based visible-to near-infraed spectropolarimetric imager,” Opt. Eng. 41(5), 1033–1038 (2002).
[Crossref]

Dupont, S.

Feuchter, T.

Gao, Q.

C. Zhang, H. Wang, J. Huang, and Q. Gao, “The visible to the near infrared narrow band acousto-optic tunable filter and the hyperspectral microscopic imaging on biomedicine study,” J. Opt. 16(12), 125303 (2014).
[Crossref]

Gass, P. A.

Gupta, N.

N. Gupta and D. R. Suhre, “Effects of sidelobes on acousto-optic tunable filter imaging,” Opt. Eng. 56(7), 073106 (2017).
[Crossref]

N. Gupta and D. R. Suhre, “Notch filtering using a multiple passband AOTF in the SWIR region,” Appl. Opt. 55(28), 7855–7860 (2016).
[Crossref] [PubMed]

N. Gupta and V. B. Voloshinov, “Development and characterization of two-transducer imaging acousto-optic tunable filters with extended tuning range,” Appl. Opt. 46(7), 1081–1088 (2007).
[Crossref] [PubMed]

N. Gupta and R. Dahmani, “Acousto-optic tunable filter based visible-to near-infraed spectropolarimetric imager,” Opt. Eng. 41(5), 1033–1038 (2002).
[Crossref]

Huang, J.

C. Zhang, H. Wang, J. Huang, and Q. Gao, “The visible to the near infrared narrow band acousto-optic tunable filter and the hyperspectral microscopic imaging on biomedicine study,” J. Opt. 16(12), 125303 (2014).
[Crossref]

Jia, G.

Kastelik, J. C.

Katzka, P.

Kim, D.

Kim, S.

Leick, L.

Li, K.

Liu, Y.

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

Machikhin, A.

Moselund, P.

Podoleanu, A.

Pozhar, V.

Sambles, J. R.

Shi, J.

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

Suhre, D. R.

N. Gupta and D. R. Suhre, “Effects of sidelobes on acousto-optic tunable filter imaging,” Opt. Eng. 56(7), 073106 (2017).
[Crossref]

N. Gupta and D. R. Suhre, “Notch filtering using a multiple passband AOTF in the SWIR region,” Appl. Opt. 55(28), 7855–7860 (2016).
[Crossref] [PubMed]

Toadere, F.

Voloshinov, V. B.

Wang, H.

Wang, J.

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

Wang, P.

Wang, Q.

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

Wang, Y.

Wang, Z.

Watanabe, A.

Wen, T.

Xu, Z.

Yang, Y.

Yano, T.

You, J. W.

Yushkov, K. B.

Zhang, C.

Zhang, R.

Zhang, Y.

Zhang, Z.

Zhao, D.

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

Zhao, H.

Appl. Opt. (6)

Appl. Phys. Lett. (1)

I. C. Chang, “Noncollinear acousto-optic filter with large angular aperture,” Appl. Phys. Lett. 25(7), 370–372 (1974).
[Crossref]

J. Mod. Opt. (1)

Q. Wang, J. Shi, J. Wang, D. Zhao, and Y. Liu, “Design and Characterization of an AOTF Hyper-Spectral Polarization Imaging System,” J. Mod. Opt. 64(1), 1–7 (2016).
[Crossref]

J. Opt. (1)

C. Zhang, H. Wang, J. Huang, and Q. Gao, “The visible to the near infrared narrow band acousto-optic tunable filter and the hyperspectral microscopic imaging on biomedicine study,” J. Opt. 16(12), 125303 (2014).
[Crossref]

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

Opt. Eng. (2)

N. Gupta and R. Dahmani, “Acousto-optic tunable filter based visible-to near-infraed spectropolarimetric imager,” Opt. Eng. 41(5), 1033–1038 (2002).
[Crossref]

N. Gupta and D. R. Suhre, “Effects of sidelobes on acousto-optic tunable filter imaging,” Opt. Eng. 56(7), 073106 (2017).
[Crossref]

Opt. Express (5)

Opt. Lett. (5)

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Figures (5)

Fig. 1
Fig. 1 Wave vector diagram of the noncollinear AOTF.
Fig. 2
Fig. 2 (a) The relationship between incident angle θi, optical wavelength λ and diffracted efficiency η (fa = 120 MHz, θa = 99.76°); (b) an expanded by ~15 of the A region in (a).
Fig. 3
Fig. 3 Experimental setup of AOTF system based on angular tuning. 1-collimated wide-band light source; 2-AOTF; 3-rotatable stage; 4-RF source; 5-diffracted light; 6- spectrometer; 7-PC
Fig. 4
Fig. 4 (a) The relation between the incident polar angle θi, diffraction efficiency η and the diffracted optical wavelength λ0 in AT method (fa = 120 MHz, θa = 99.76°); (b) Relationship between peak diffraction efficiency η0 and incident polar angle θi.
Fig. 5
Fig. 5 The relationship of the diffracted spectral bandwidth and optical wavelength. (a) Contrast of diffracted spectral bandwidth got from AT and FT at a series of same central wavelengths; (b) Spectrums with the same central wavelength got from AT and FT.

Equations (3)

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f a = ( V a / λ ) [ n i 2 + n d 2 2 n i n d cos ( θ i θ d ) ] 1 / 2
Δ k= | n o ( 1 + σ ) ( ( 2 π λ ) 2 ( k' ) 2 sin 2 θ ' n e 2 ) 1 / 2 k ' cos θ ' |
η = ( ξ 2 ) sin 2 δ δ 2

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