Optical: systems and elements – Compound lens system – Microscope
Patent
1996-12-16
1998-03-31
Nguyen, Thong
Optical: systems and elements
Compound lens system
Microscope
359227, 359236, 359388, G02B 2100, G02B 2602
Patent
active
057344973
ABSTRACT:
A confocal scanning microscope comprises rotational disk having numerous pinholes arranged at positions that are conjugate with respect to an object to be observed, illumination optical system for implementing the pinhole-illumination for the object to be observed through the rotational disk, and observation optical system for conducting a reflected light beam from the illuminated object to be observed through the rotational disk and focuses the light beam to form an image for observation at a position that is conjugate with respect to the rotational disk, wherein the pinholes of the rotational disk are in equiangular arrangement on a parabolic spiral. The number of loops M of the parabolic spiral and the number of equiangular divisions in one round of the parabolic spiral at which the pinholes are located have any of relations: M:N=1:2, 3:2, 5:2, . . . , (2i-1):2, where i is an integer.
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Mizuno Katsuyasu
Yano, deceased Nobuyuki
Nguyen Thong
Nidek Company, Ltd.
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