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Light beam switching device and switching method

A technology for switching devices and beams, applied in optics, optical components, instruments, etc., can solve the problems of low switching efficiency and complex structure of the beam switching device, and achieve the effects of high switching efficiency, simple structure and good switching effect.

Active Publication Date: 2018-04-17
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the structure of the beam switching device in the existing fluorescence microscope is complex and the switching efficiency is low

Method used

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  • Light beam switching device and switching method

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Embodiment Construction

[0043] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0044] In order to achieve the object of the present invention, in some embodiments of a light beam switching device and switching method,

[0045] Such as figure 1 As shown, a light beam switching device includes a box body 1 with a cavity inside and an optoelectronic device arranged in the cavity. The optoelectronic device includes:

[0046] The first laser 1 is used to emit a first laser beam;

[0047] The second laser 2 is used to emit a second laser beam;

[0048] DMD micromirror device 3, used for realizing reflection and refraction to the first laser beam and the second laser beam;

[0049] The first polarization beam splitter prism 4 is arranged on one side of the DMD micromirror device 3, and is used to realize refraction and transmission to the first laser beam and / or the second laser beam;

[0050] The second polarizing beam-sp...

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Abstract

The invention discloses a device and method for switching light beams. The device comprises a box body comprising a cavity internally and a photoelectric device arranged in the cavity, wherein the photoelectric device comprises a first laser, a second laser, a DMD (Digital Mirror Device), a first polarization splitting prism, a second polarization splitting prism, a first half wave plate and a second half wave plate. According to the invention, the DMD can be used for switching the optical beams, and has simple structure, low cost and high switching efficiency.

Description

technical field [0001] The invention belongs to the field of optoelectronic technology, and in particular relates to a light beam switching device and a switching method. Background technique [0002] Two-photon fluorescence microscopy imaging technology uses near-infrared femtosecond laser as a light source, which can perform biomicroscopic imaging of thicker biological tissues. It has the characteristics of large imaging depth, small optical damage, high spatial resolution and contrast. The photostimulation experiment of another wavelength laser can be used to study the movement characteristics and molecular dynamics of proteins in living cells. [0003] However, the structure of the beam switching device in the existing fluorescence microscope is complicated, and the switching efficiency is low. Therefore, a light beam switching device and switching method with simple structure, convenient operation and high switching efficiency need to be proposed urgently. Contents o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B26/08G02B27/28
CPCG02B26/0833G02B27/285
Inventor 杨光熊大曦李辉
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI