Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate
2000-05-03
2003-05-13
Spyrou, Cassandra (Department: 2872)
Optical: systems and elements
Compound lens system
Microscope
C359S385000, C359S389000
Reexamination Certificate
active
06563632
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a laser scanning microscope.
The following represents the prior art:
Handbook of Biological Confocal Microscopy, Second Edition, Plenum Press, New York and London 1995, page 519, FIG. 6: Fiber coupling optics, page 595, FIG. 14: Telecentric system for a plurality of detection beam paths;
U.S. Pat. No. 5,283,433: Coupling optics for detection beam paths;
DE 4323129 A1, column 6: Confocal apertures which can be centered and varied with respect to diameter;
U.S. Pat. Nos. 5,444,528, 5,377,003, 5,317,379, and 5,216,484: AOTF;
U.S. Pat. No. 5,081,350, EP 283256 A1, WO 90/00754: Fiber connection between laser and scanning unit.
OBJECT AND SUMMARY OF THE INVENTION
It is an object to provide an improved laser scanning microscope.
In accordance with the invention, an arrangement and corresponding method are provided for coupling radiation, preferably laser radiation, into a scanning head with a scanning unit in at least two dimensions. The radiation is focussed on an object via a microscope objective via at least one light-conducting fiber which is coupled with the scanning head. A collimator is arranged downstream of the fiber end of the scanning head for collimating the radiation exiting in a divergent manner at the fiber end.
REFERENCES:
patent: 5345338 (1994-09-01), Ueda et al.
patent: 5386112 (1995-01-01), Dixon
patent: 5448359 (1995-09-01), Schick et al.
patent: 5535052 (1996-07-01), Jorgens
patent: 5834758 (1998-11-01), Trulson et al.
patent: 5896224 (1999-04-01), Kapitza
patent: 195 17 670 (1995-12-01), None
patent: 0 283 256 (1988-09-01), None
*English Abstract of DE 195 17 670 A1.
Groebler Bernhard
Heinz Hartmut
Schoeppe Guenter
Simon Ulrich
Wilhelm Stefan
Amari Alessandro V.
Carl Zeiss Jena GmbH
Reed Smith LLP
Spyrou Cassandra
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