Abstract

We describe an instrument capable of obtaining two-dimensional images of subsurface structure in real time with no moving parts. The technique is based on spectral interferometry and uses an imaging spectrograph to obtain spatially resolved spectra. A test sample consisting of microscope coverslips and a Ronchi grating was measured, illustrating the system’s depth resolution of 38 μm and transverse resolution of at least 12.7 μm. The technique is readily adaptable to endoscopic delivery as well as three-dimensional real-time image acquisition.

© 1999 Optical Society of America

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References

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1998 (3)

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

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[CrossRef]

G. Hausler and M. W. Lindner, J. Biomed. Opt. 3, 21 (1998).
[CrossRef]

1996 (3)

1995 (1)

J. M. Schmitt, M. J. Yadlowsky, and R. F. Bonner, Dermatology 191, 93 (1995).
[CrossRef]

1988 (1)

1977 (1)

Alfano, R. R.

Bonner, R. F.

J. M. Schmitt, M. J. Yadlowsky, and R. F. Bonner, Dermatology 191, 93 (1995).
[CrossRef]

Boppart, S. A.

Bouma, B. E.

Feldchtein, F. I.

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Fercher, A. F.

Fujimoto, J. G.

Fukano, T.

Gelikonov, G. V.

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Gelikonov, V. M.

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Gilerson, A.

Goedgebuer, J. P.

Golubovic, B.

Hausler, G.

G. Hausler and M. W. Lindner, J. Biomed. Opt. 3, 21 (1998).
[CrossRef]

Izatt, J. A.

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

Kobayashi, K.

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

Kulkarni, M. D.

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

Kuranov, R. V.

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Lacourt, A.

Lindner, M. W.

G. Hausler and M. W. Lindner, J. Biomed. Opt. 3, 21 (1998).
[CrossRef]

Mengedoht, K.

Schmitt, J. M.

J. M. Schmitt, M. J. Yadlowsky, and R. F. Bonner, Dermatology 191, 93 (1995).
[CrossRef]

Sergeev, A. M.

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Sivak, M. V.

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

Swanson, E. A.

Tearney, G. J.

Vienot, J. C.

Wang, H.-W.

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

Werner, W.

Yadlowsky, M. J.

J. M. Schmitt, M. J. Yadlowsky, and R. F. Bonner, Dermatology 191, 93 (1995).
[CrossRef]

Yamaguchi, I.

Zeylikovich, I.

Appl. Opt. (1)

Dermatology (1)

J. M. Schmitt, M. J. Yadlowsky, and R. F. Bonner, Dermatology 191, 93 (1995).
[CrossRef]

IEEE J. Sel. Topics Quantum Electron. (1)

J. A. Izatt, M. D. Kulkarni, H.-W. Wang, K. Kobayashi, and M. V. Sivak, IEEE J. Sel. Topics Quantum Electron. 4, 1017 (1996).
[CrossRef]

J. Biomed. Opt. (1)

G. Hausler and M. W. Lindner, J. Biomed. Opt. 3, 21 (1998).
[CrossRef]

Opt. Exp. (1)

F. I. Feldchtein, G. V. Gelikonov, V. M. Gelikonov, R. V. Kuranov, and A. M. Sergeev, Opt. Exp. 3, 257 (1998) www.osa.org .
[CrossRef]

Opt. Lett. (4)

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Figures (2)

Fig. 1
Fig. 1

Schematic representation of a spatially resolved spectral interferometer. The depth in the sample z is encoded as wavelength-dependent spatial frequency in the spectrogram; transverse information x is imaged directly onto the spectrogram. The inset shows a fiber-optic delivery system suitable for 2D or 3D image acquisition.

Fig. 2
Fig. 2

(a) Schematic of the test sample used. (b) Single-frame image of the test sample.

Equations (2)

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Δσ=12 Δz,
Δz=12λ2Δλ,

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