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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 3, Iss. 1 — Jan. 1, 2012
  • pp: 48–54

Snapshot hyperspectral retinal camera with the Image Mapping Spectrometer (IMS)

Liang Gao, R. Theodore Smith, and Tomasz S. Tkaczyk  »View Author Affiliations

Biomedical Optics Express, Vol. 3, Issue 1, pp. 48-54 (2012)

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We present a snapshot hyperspectral retinal camera with the Image Mapping Spectrometer (IMS) for eye imaging applications. The resulting system is capable of simultaneously acquiring 48 spectral channel images in the range 470 nm–650 nm with frame rate at 5.2 fps. The spatial sampling of each measured spectral scene is 350 × 350 pixels. The advantages of this snapshot device are elimination of the eye motion artifacts and pixel misregistration problems in traditional scanning-based hyperspectral retinal cameras, and real-time imaging of oxygen saturation dynamics with sub-second temporal resolution. The spectral imaging performance is demonstrated in a human retinal imaging experiment in vivo. The absorption spectral signatures of oxy-hemoglobin and macular pigments were successfully acquired by using this device.

© 2011 OSA

OCIS Codes
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(110.4234) Imaging systems : Multispectral and hyperspectral imaging

ToC Category:
Molecular Imaging and Probe Development

Original Manuscript: October 13, 2011
Revised Manuscript: November 30, 2011
Manuscript Accepted: December 2, 2011
Published: December 7, 2011

Liang Gao, R. Theodore Smith, and Tomasz S. Tkaczyk, "Snapshot hyperspectral retinal camera with the Image Mapping Spectrometer (IMS)," Biomed. Opt. Express 3, 48-54 (2012)

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