A gobo rotator device for generating variable-aperture annular beams
A ring-shaped beam and shading film technology, applied in the direction of instruments, optics, optical components, etc., can solve the problems of limited application range, unadjustable irradiation angle and intensity, high energy utilization rate, etc., and achieve the effect of changing the range of incident angles
Active Publication Date: 2020-11-27
南京谱锐西玛仪器有限公司 +1
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Among them, the invention patent "Annular Beam Generating Device Based on Conical Element" with the application number of 201320141668.9 discloses a ring-beam lighting device, which has a high energy utilization rate, but the irradiation angle and intensity cannot be adjusted, which limits its scope of application
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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. The embodiment of the present invention discloses a shading plate rotator device for generating variable-aperture annular light beams, including: a first focusing lens 1 arranged in sequence and arranged coaxially, a beam expander 2, a shading plate rotator 3, and a second focusing lens 4 and an ellipsoid reflector 5, wherein the focal point of the first focusing lens 1 coincides with the focal point of the beam expander 2, the shading plate rotator 3 is perpendi...
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The invention discloses a shading device rotating device for generating a variable-aperture annular beam. The shading device rotating device comprises a first focusing lens, a beam expander, a shadingdevice rotator, a second focusing lens and an ellipsoidal reflector arranged sequentially and coaxially, wherein the focus of the first focusing lens and the focus of the beam expander are superposed, the shading device rotator is perpendicular to the plane of the optical axis, the shading device rotator rotates around the center shaft, and the focus of the second focusing lens and the first focus of the ellipsoidal reflector are superposed. The shading device rotating device is advantaged in that the structure is simple, and modulation of the size of the circular illumination beam can be realized conveniently and quickly.
Description
technical field [0001] The invention relates to the technical field of optical micro-illumination, in particular to a shading plate rotator device for generating a ring-shaped light beam with variable aperture. Background technique [0002] With the development of optical microscopic technology, a series of optical microscopic imaging methods have been continuously proposed. For different optical microscopic technologies, the imaging quality is closely related to the development of lighting technology. Therefore, to choose a suitable lighting method, The invention of new lighting technology is of great significance to the development of optical microscopy imaging technology. [0003] Ring beam illumination, as a special optical illumination method, can exert its unique technical advantages in some optical microscopic imaging systems and improve the quality of microscopic imaging. Among them, the invention patent "Annular Beam Generating Device Based on Conical Element" with...
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IPC IPC(8): G02B27/09G02B21/06
CPCG02B21/06G02B27/0955G02B27/0977G02B27/0988
Inventor 陈刚孔臣祺
Owner 南京谱锐西玛仪器有限公司