Imaging system using combined dichroic/high-pass filters

Details Imaging system using combined dichroic/high-pass filters Imaging system using combined dichroic/high-pass filters

2006-04-18

2006-04-18

Boutsikaris, Leo (Department: 2872)

Optical: systems and elements

Absorption filter

C359S723000, C356S417000

Reexamination Certificate

active

07031084

ABSTRACT:
An imaging system including: a lens; a dichroic filter positioned in front of the lens; and a high pass filter positioned between the lens and the dichroic filter. An appropriate design coordinating the components of such an imaging system diminishes imaging artifacts related to wide-angle imaging of fluorescent objects.

REFERENCES:
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patent: 4573195 (1986-02-01), de France
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patent: 5943129 (1999-08-01), Hoyt et al.
patent: 2003/0086608 (2003-05-01), Frost et al.
patent: 2004/0075844 (2004-04-01), Marron et al.

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