Preparation method of bottle-type optical micro resonant cavity
A micro-resonator, optical technology, applied to the structure/shape of the optical resonator, can solve the problems of the flatness of the bottle-shaped optical micro-resonator and the limitation of the mechanical expansion error of the cavity symmetry, and achieve low optical attenuation, low The effect of viscosity, wide transmission bandwidth
Active Publication Date: 2013-09-18
XIAMEN UNIV
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Problems solved by technology
However, due to the introduction of mechanical stretching and compression processes in these two preparation methods, the surface flatness of the microcavity and cavity symmetry of the fabricated bottle-shaped optical microresonator are limited by the precision of the machine itself and the mechanical stretching error.
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[0026] Below in conjunction with accompanying drawing, further illustrate the present invention through embodiment.
[0027] see figure 1 , the brief preparation process of the embodiment of the present invention includes: cutting a section of optical fiber 1 of 10-20 cm; removing a small section of coating layer 2 in the middle of the cut optical fiber with a length of about 1.5 cm; The bare optical fiber is drawn into a microfiber 3; the fiber segment containing the bare optical fiber or the microfiber is fixed on the U-shaped aluminum sheet 4; the optical adhesive is dropped on the bare optical fiber or the microfiber 5; and the formed Liquid bottle-type optical microresonator cavity for irradiation curing6.
[0028] see figure 2 and 3, the detailed preparation process of the embodiment of the present invention is as follows: first intercept a section of SMF-28 single-mode optical fiber 7, strip the coating layer of a small section of optical fiber with a length of abou...
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A preparation method of a bottle-type optical micro resonant cavity relates to the optical micro resonant cavity and comprises the following steps of 1) cutting out a section of optical fiber to serve as a basic forming material for preparing the bottle-type optical micro resonant cavity; 2) selecting a small section in the middle of the cut-out optical fiber and removing the coating of the optical fiber to obtain smooth symmetric bare optical fiber; 3) fixing the cut-out section with the bare optical fiber in the middle onto a U-shaped aluminum sheet; 4) dripping liquid optical adhesive onto the bare optical fiber or the conical waist of the micro optical fiber, wherein the optical adhesive is adhered to the surface of the bare optical fiber and the conical waist of the micro optical fiber under the action of liquid viscous force and surface tension to form the bottle-type optical micro resonant cavity; and (5) exposing the bottle-type optical micro resonant cavity under an ultraviolet light for solidification to obtain the solid bottle-type optical micro resonant cavity.
Description
technical field [0001] The invention relates to an optical micro-resonator cavity, in particular to a preparation method of a bottle-shaped optical micro-resonance cavity. Background technique [0002] Optical Whispering gallery mode (Whispering gallery mode) microresonator has a strong optical field confinement ability, so that it can form high-intensity optical resonance and maintain a long photon lifetime in the optical cavity, that is, it has an ultra-high quality factor and extremely small pattern volumes. Scholars at home and abroad have conducted extensive and in-depth research on optical microcavities in the fields of nonlinear optics, biosensing, cavity quantum electrodynamics, integrable optical components, and low-threshold lasers. [0003] The bottle-shaped microcavity of the optical whispering gallery was first reported in 2004 (M. Sumetsky, "Whispering-gallery-bottle microcavities: the three-dimensional etalon," Opt. Lett. 29, 8-10, 2004), because of its It h...
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IPC IPC(8): H01S3/08
Inventor 蔡志平顾国强许惠英车凯军
Owner XIAMEN UNIV