Fluorometers
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Accused Products
Abstract
In apparatus for the production and detection of fluorescence at a sample surface, the height of the apparatus above the sample surface is reduced, and loss of the emitted fluorescence due to reflection loss and light scattering is minimized. The apparatus comprises a three-dimensionally curved light reflecting surface (40) that directs light from a light source (32) transversely to its original path and focuses the light on to an illumination zone (30) at or below the sample surface. The reflecting surface (40) also collects, directs and at least partially collimates emitted fluorescence transversely to its original path and towards a detector (46).
25 Citations
36 Claims
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1-12. -12. (canceled)
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13. A method for producing and detecting fluorescence at or below a surface, said method comprising:
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using a light source, directing fluorescence excitation light along a light path extending over said surface; receiving the excitation light along a portion of said light path with a reflector interface configured to a) reflect said light transversely with respect to said portion of the light path so as to focus said excitation light on an illumination zone at or below said surface for stimulation of fluorescence at said zone, b) collect fluorescence light emitted at said zone and c) reflect said light to pass back along said portion of the light path; and using a detector, receiving said light emitted as fluorescence after reflection at said interface; in which the above components are used adjacent to or worn on a human or animal body. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 36)
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28. A method for producing and detecting fluorescence at or below a human or animal'"'"'s skin, said method comprising:
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directing fluorescence excitation light along a light path extending over the skin in use; reflecting said excitation light transversely with respect to the skin for stimulation of fluorescence; directing any collected fluorescence light along a path extending over the skin; and detecting said collected fluorescence light. - View Dependent Claims (29)
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30. Apparatus for producing and detecting fluorescence at or below a surface, said apparatus comprising:
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a light source to direct fluorescence excitation light along a light path extending over to said surface; a fixed reflector to reflect the excitation light transversely with respect to said surface for stimulation of fluorescence, to collect fluorescence light emitted, and to reflect said fluorescence light to pass back along a path extending over said surface; and a detector to receive said light emitted as fluorescence. - View Dependent Claims (31, 32, 33, 34, 35)
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Specification