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Multi-band LED fluorescence microscope illumination system

A fluorescence microscope and lighting system technology, applied in the field of lighting systems of multi-band LED fluorescence microscopes, can solve the problems of multi-band LED fluorescence microscopes with complex structure, low replacement efficiency, complicated operation, etc., and achieve simple structure, low cost, and simple operation Effect

Active Publication Date: 2016-10-26
NINGBO YONGXIN OPTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the efficiency of replacing the LED light source manually is low, and the operation is complicated. Although the efficiency of switching the LED light source with a mechanical switching device is high, the increase in the mechanical switching device makes the structure of the multi-band LED fluorescence microscope complex and the cost is high.

Method used

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  • Multi-band LED fluorescence microscope illumination system
  • Multi-band LED fluorescence microscope illumination system
  • Multi-band LED fluorescence microscope illumination system

Examples

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Embodiment 1

[0023] Embodiment one: if figure 1As shown, an illumination system of a multi-band LED fluorescence microscope includes a main illumination system and N auxiliary illumination systems with different wavelengths, N is an integer greater than or equal to 1, and the wavelength of the auxiliary illumination system is different from that of the main illumination system , the auxiliary lighting system includes a first LED light source 1, a second LED light source 2, a first dichroic mirror 3 and a second dichroic mirror 4, the wavelength of the first LED light source 1 is different from the wavelength of the second LED light source 2; the second The dichroic mirror 4 is arranged on the light path of the main lighting system, the angle between the second dichroic mirror 4 and the light path of the main lighting system is 45 degrees, and the light beam of the first LED light source 1 is first reflected by the first dichroic mirror 3 Then it is reflected by the second dichroic mirror 4...

Embodiment 2

[0029] Embodiment two: if figure 1 As shown, an illumination system of a multi-band LED fluorescence microscope includes a main illumination system and an auxiliary illumination system. The wavelength of the auxiliary illumination system is different from that of the main illumination system. The auxiliary illumination system includes a first LED light source 1, a second Two LED light source 2, the first dichroic mirror 3 and the second dichroic mirror 4, the wavelength of the first LED light source 1 and the wavelength of the second LED light source 2 are different; the second dichroic mirror 4 is arranged on the optical path of the main lighting system , the angle between the second dichroic mirror 4 and the light path of the main lighting system is 45 degrees, the light beam of the first LED light source 1 is first reflected by the first dichroic mirror 3 and then reflected by the second dichroic mirror 4, The light beam of the second LED light source 2 is transmitted throu...

Embodiment 3

[0036] Embodiment three: as figure 1 As shown, an illumination system of a multi-band LED fluorescence microscope includes a main illumination system and an auxiliary illumination system. The wavelength of the auxiliary illumination system is different from that of the main illumination system. The auxiliary illumination system includes a first LED light source 1, a second Two LED light source 2, the first dichroic mirror 3 and the second dichroic mirror 4, the wavelength of the first LED light source 1 and the wavelength of the second LED light source 2 are different; the second dichroic mirror 4 is arranged on the optical path of the main lighting system , the angle between the second dichroic mirror 4 and the light path of the main lighting system is 45 degrees, the light beam of the first LED light source 1 is first reflected by the first dichroic mirror 3 and then reflected by the second dichroic mirror 4, The light beam of the second LED light source 2 is transmitted thr...

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Abstract

The present invention discloses a multi-band LED fluorescence microscope illumination system. The system comprises a main illumination system and N auxiliary illumination systems with different wavelengths, and N is an integer of not less than 1; the wavelength of each auxiliary illumination system is not the same as that of the main illumination system; each auxiliary illumination system includes a first LED light source, a second LED light source, a first dichronic mirror and a second dichronic mirror, and the wavelength of the first LED light source is different from that of the second LED light source; and the second dichronic mirror is arranged on the light path of the main illumination system, the included angle between the second dichronic mirror and the light path of the main illumination system is 45 degrees, the light beam of the first LED light source is reflected through the first dichronic mirror and then is reflected through the second dichronic mirror, the light beam of the second LED light source is transmitted through the first dichronic mirror and then transmitted through the second dichronic mirror, and the light beam of the main illumination system is transmitted through the second dichronic mirror. The efficiency is high, the operation is simple, the structure is simple and the cost is low.

Description

technical field [0001] The invention relates to an illumination system for a fluorescence microscope, in particular to an illumination system for a multi-band LED fluorescence microscope. Background technique [0002] Most of the traditional fluorescence microscopes use mercury lamps as the light source of their illumination system, but mercury lamps consume a lot of energy, and are gradually being replaced by LED light sources with low energy consumption and small size. As an illumination system, LED light sources have been widely used in single-band fluorescence microscopes. However, in the multi-band fluorescence microscope, since two or more wavelength bands are required, and the wavelength of the LED light source is single, many difficulties have been encountered in the application of the LED light source in the multi-band fluorescence microscope. We refer to the multi-band fluorescence microscope that uses LED light source as the light source of the illumination syste...

Claims

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Application Information

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IPC IPC(8): G02B21/06
CPCG02B21/06
Inventor 张克奇邱慧姚晨
Owner NINGBO YONGXIN OPTICS