Annular light beam generation system and device thereof
A ring-shaped beam and generation system technology, applied in the coupling of optics, optical components, optical waveguides, etc., can solve the problems of non-adjustable beam energy, high cost, complex generation method, etc., achieving low cost, simple generation method, and dynamic realization. The effect of adjustment
Active Publication Date: 2022-07-22
O NET COMM (SHENZHEN) LTD
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Problems solved by technology
The beam energy of the above method cannot be adjusted, the cost is high, and the generation method is complicated
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[0028] It is to be understood that the terminology used herein, the specific structural and functional details disclosed are only for describing specific embodiments and are representative, but the present invention may be embodied in many alternative forms and should not be construed as only Limited by the embodiments set forth herein.
[0029] The present invention will be described in detail below with reference to the accompanying drawings and alternative embodiments.
[0030] like figure 1 and figure 2 As shown in the figure, as an embodiment of the present invention, a ring beam generation system is disclosed, which includes a laser 1, a cladding fiber circulator 2, a cladding fiber collimator 3, a first mirror 4 and an energy ratio adjustment of the core ring Component 5; the laser 1 is connected with the port one of the fiber circulator through the single-mode fiber 7, the port two of the fiber circulator is connected with the cladding fiber collimator 3 through the...
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The invention discloses an annular beam generation system and device. The annular beam generation system comprises a laser, a cladding optical fiber circulator, a cladding optical fiber collimator, a first reflecting mirror and a center-ring energy ratio adjusting assembly. The laser is connected with a first port of the optical fiber circulator through a single-mode optical fiber, a second port of the optical fiber circulator is connected with the cladding optical fiber collimator through the cladding optical fiber, the first reflector is opposite to the cladding optical fiber collimator, and the second port of the optical fiber circulator is connected with the center ring energy ratio adjusting assembly through the cladding optical fiber. Wherein the first reflector is used for reflecting a light beam emitted by the cladding optical fiber collimator back into the cladding optical fiber collimator, and the first reflector can adjust a reflection angle; the center-ring energy ratio adjusting assembly is used for adjusting the light beam center and outer ring position space energy ratio. Through two-stage adjustment, the dynamic adjustment of the annular beam energy can be realized, the cost is low, and the generation mode is simple.
Description
technical field [0001] The present invention relates to the field of annular beams, in particular to a ring beam generation system and a device thereof. Background technique [0002] A ring beam (hollow beam) refers to a beam with a low or zero central light intensity in the beam propagation direction. Generally, the beam is the largest in front of the center light, and gradually weakens along the radial direction. In most cases, the Gaussian model is used to describe it. Beams have physical properties that Gaussian beams do not possess, such as small dark spot size, transmission invariance, and some hollow beams also have spin and orbital angular momentum. Due to the characteristics of hollow beams, it has a shaky application prospect in the fields of biomedicine, optical communication and optical sensing. For example, the hollow beam can be used for precise and non-contact control of surrounding particles including micro-nano particles, molecules, atoms, and free electron...
Claims
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IPC IPC(8): G02B27/09G02B6/27G02B6/35
CPCG02B27/0927G02B27/0994G02B6/2746G02B6/3512
Inventor 徐杰绪海波方洋
Owner O NET COMM (SHENZHEN) LTD