Laser scanning microscope

Details Laser scanning microscope Laser scanning microscope

1998-12-21

2001-08-21

Epps, Georgia (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S656000

Reexamination Certificate

active

06278555

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to a microscope unit M and a scan head S as shown in
FIG. 5
which have a common optical interface via an intermediate image and which form a LSM (laser scanning microscope).
OBJECT AND SUMMARY OF THE INVENTION
The primary object of the invention is to provide a laser scanning microscope having the ability of coupling in an IR laser, a laser in the visible range and a laser in the UV range without encountering adjustment problems in exchanging lasers or beam splitters in various operating modes.
The above object can be achieved, in accordance with the invention, by a raster type illumination at different wavelengths comprising means for coupling in laser radiation by light-conducting fibers, wherein the coupling in of the illumination is carried out by at least one dichroic beam splitter which reflects in at least one wavelength range and transmits in at least a second wavelength range.


REFERENCES:
patent: 4632554 (1986-12-01), Pearce
patent: 5535052 (1996-07-01), Jörgens
patent: 5874726 (1999-02-01), Haydon
patent: 5910963 (1999-06-01), Simon
patent: 5936728 (1999-08-01), Bouzid
patent: 5936764 (1999-08-01), Kobayashi
patent: 5952668 (1999-09-01), Baer
patent: 6167173 (2000-12-01), Schoeppe et al.
patent: 6178041 (2001-01-01), Simon
patent: 4221063 (1994-01-01), None
patent: 411231222 (1999-08-01), None

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