Illumination system for microscopy and observation or...

Details Illumination system for microscopy and observation or... Illumination system for microscopy and observation or...

2005-06-07

2005-06-07

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S369000

Reexamination Certificate

active

06903869

ABSTRACT:
An illumination system for microscopy includes a light source, a first spectral element dispersing light from the light source, a reflecting member selectively reflecting light dispersed by the first spectral element, a second spectral element combining light reflected by the reflecting member, a dichroic mirror, an objective lens, and an image sensor. The first spectral element is placed at the front focal point of a first lens, the reflecting member is placed at a position where the back focal point of the first lens coincides with the front focal point of a second lens, and the second spectral element is placed at the back focal point of the second lens.

REFERENCES:
patent: 5479238 (1995-12-01), Whitney
patent: 5847851 (1998-12-01), Wechsler et al.
patent: 6312134 (2001-11-01), Jain et al.

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