A Beam Shaping Method Based on Microfluidic Optical Technology
A technology of beam shaping and microfluidics, which is applied in optics, optical components, instruments, etc., can solve the problems of poor control flexibility, large loss in the light propagation process, complex structure, etc., and achieve the effect of reducing propagation loss
Active Publication Date: 2015-10-21
ZHEJIANG UNIV OF TECH
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[0003] In order to overcome the deficiencies of the existing beam shaping methods, such as large loss in light propagation process, complex structure, difficult manufacture, and poor control flexibility, the present invention provides a light-transmitting process-based Beam Shaping Method for Microfluidic Optics Technology
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[0024] The present invention will be further described below in conjunction with the drawings.
[0025] Refer to Figure 1 ~ Figure 6 , A beam shaping method based on microfluidic optics technology, the shaping method adopts a beam shaping device based on microfluidic optics technology, the beam shaping device includes a fluid optical waveguide body 1, an incident laser 2, a beam receiving surface 3 and Out of the fluid reservoir 4, the fluid optical waveguide body 1 is provided with a flow channel for carrying microfluid. The flow channel includes a core fluid inlet 5, two symmetrical cladding fluid inlets 6, and a fluid microcavity 7. And two symmetrical fluid outlets 8. The core fluid inlet 5 and the cladding fluid inlet 6 are both in communication with the inlet side of the fluid microcavity 7, and the outlet side of the fluid microcavity 7 is connected to two fluid outlets 8 Connected, the fluid outlet 8 communicates with the outflow fluid reservoir 4, the incident laser 2 ...
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The invention discloses a light beam shaping method based on a microfluidic optical technology. The light beam shaping method based on the microfluidic optical technology comprises the steps that (1) diffusion and convection movement only exist between core layer fluid and wrapping layer fluid, the wrapping layer fluid surrounds the core layer fluid uniformly, the core layer fluid and the wrapping layer fluid are two kinds of fluid with different refractive indexes, and the core layer fluid and the wrapping layer fluid flow in a fluid micro cavity and jointly form a fluid optical waveguide; (2) an incidence laser emits a laser beam with a set wave length into the fluid optical waveguide, the included angle between the light beam spreading direction and the fluid flowing direction is 90+ / - 10 degrees, and a light beam receiving surface receives a light beam which is output after flowing through the fluid optical waveguide; (3) light beam shaping is achieved by adjusting the flowing speed, temperature and concentration of the fluid and the types of micro fluid and controlling the diffusion process of the fluid and the space distribution of the refractive indexes. The light beam shaping method based on the microfluidic optical technology is small in loss in the light spreading process, simple in structure, convenient to manufacture and good in adjustment flexibility.
Description
Technical field [0001] The invention relates to the field of optical devices and detection systems, in particular to a beam shaping method. Background technique [0002] The beam shaping technology includes the control of beam focusing, collimation, deflection, beam splitting, coupling, etc. It is usually achieved by adjusting the permittivity and permeability distribution of the optical medium and then changing the spatial electromagnetic field distribution, such as for optical devices The adjustment of the refractive index distribution can easily realize the control of the focusing, collimation, deflection, and beam splitting of the incident beam. The rapid development of microfluidic optics technology in recent years has provided us with a new method of beam shaping, the principle of which is to control the microscopic scale of light by controlling the fluid flow. In view of this, the microfluidic technology and system can be introduced into the design and manufacture of the ...
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IPC IPC(8): G02B27/09
Inventor 乐孜纯孙运利王昌辉付明磊
Owner ZHEJIANG UNIV OF TECH