Spatial Light to Single-Mode Fiber Nutation Coupling Technology

Baiqiu, 赵佰秋 Zhao; Lixin, 孟立新 Meng; Xiaonan, 于笑楠 Yu; Lizhong, 张立中 Zhang; Shoufeng, 佟首峰 Tong

doi:10.3788/cjl201946.1105001

Cited by 4 publications

(4 citation statements)

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“…Substituting equations (11) and (12) into the coupling efficiency expression [8] The reduced coupling efficiency can be obtained as:…”

Section:   mentioning

confidence: 99%

“…Therefore, whether the mode field diameter matches the beam waist diameter has become the focus of this experiment. In order to convert the Gaussian light source into a parallel light source, we also need a collimating lens to collimate the Gaussian beam and focus it into the fiber through the focusing lens to complete the fiber coupling [11] The coupling is done by focusing the Gaussian beam into the fiber.…”

Section: Fig2 Schematic Diagram Of Mode Intensity Cross Section Of Si...mentioning

confidence: 99%

“…In Hottinger et al [10] proposed to use a fiber bundle with micro-lenses as an angle sensor for fiber coupling, and adjust the fiber position by sensing the light energy in the fiber, so as to achieve the coupling alignment of spatial light with the fiber. Zhao et al [11] analyzed the effects of chapter motion algorithm parameters in chapter motion radius, convergence step and chapter motion single circumference sampling points on coupling performance. Ren et al [12] For the two-mirror focusing lens set, the relationship between the temperature field and the change of focal point axial position, radial position and fiber mode field was calculated, and the equation of coupling efficiency with temperature was derived.…”

Section: Introductionmentioning

confidence: 99%

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Optimization of the optical coupling efficiency of fiber with Gaussian pulsed laser

Ren

Xiong

et al. 2023

AOPC 2022: Advanced Laser Technology and Applications

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In the photoacoustic microscopy coupled with the optical fiber, the photoacoustic intensity of the irradiated tissue is one of most important factors of Furthermore, the coupling coefficient of the fiber also impacts the final irradiated laser energy. Furthermore, the coupling coefficient of the fiber also impacts the final irradiated laser energy. At the characteristic wavelength of 532nm, the effects of the optical positions of the With the operations of parameters scanning, the optimal values of the optical positions of the focusing lens and optical fiber on the coupling efficiency of the fiber were investigated. values of the optical positions of the focusing lens and optical fiber were obtained under the maximum coupling efficiency of the fiber. After that, the effect of the fiber's mode field diameter on the coupling efficiency of fiber under the optimal positions of the focusing lens and fiber was also investigated. The coupling efficiencies of fiber corresponding to seven different mode field diameters of fiber from 1 to 9μm were computed, the The study results show that with the increase of the mode field Under the optimal positions of the focusing lens and the fiber, as well as the mode field diameter, the optical efficiency of fiber first increase then decrease. Under the optimal positions of the focusing lens and the fiber, as well as the mode field diameter, the optical efficiency of fiber can be improved from 23.174% to 91.638%. Therefore, the reasonable positions of the optical path and the mode field diameter of the fiber are all important to ensure the satisfactory optical Therefore, the reasonable positions of the optical path and the mode field diameter of the fiber are all important to ensure the satisfactory optical coupling efficiency in the photoacoustic microscopy system coupled with the optical fiber.

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“…Substituting equations (11) and (12) into the coupling efficiency expression [8] The reduced coupling efficiency can be obtained as:…”

Section:   mentioning

confidence: 99%

Section: Fig2 Schematic Diagram Of Mode Intensity Cross Section Of Si...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optimization of the optical coupling efficiency of fiber with Gaussian pulsed laser

Ren

Xiong

et al. 2023

AOPC 2022: Advanced Laser Technology and Applications

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show abstract

“…Moreover, he proposed to use a fiber bundle with a microlens as an angle sensor for fiber coupling, and adjusted the fiber position by sensing the light energy in the fiber, so as to realize the coupling alignment of spatial light with the fiber. Zhao [8] analyzed the effects of chapter motion algorithm parameters in chapter motion radius, convergence step and chapter motion single circumference sampling points on the coupling performance. Ren [9] studied the relationship between the temperature field and the change of focal point axial position, radial position, and fiber mode field for the two-mirror focusing lens set, and the equation of coupling efficiency with temperature was derived.…”

Section: Introductionmentioning

confidence: 99%

Effects of aspheric lens parameters on the coupling efficiency of fiber with Gaussian pulsed laser

Ren

et al. 2022

Thirteenth International Conference on Information Optics and Photonics (CIOP 2022)

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In the system of photoacoustic microscopy coupled with fiber, the coupling efficiency of fiber is one of most important factors to ensure the photoacoustic intensity under the adequate absorbed energy of pulsed laser for the irradiated tissue. In this work, the effects of aspheric lens parameters on the coupling efficiency of fiber with Gaussian pulsed laser were studied under their reasonable ranges of the parameters. The parameters of the aspheric lens includes the curvature radius, cone constant, thickness, tilt angle, radial deviation of vertical shaft. At the same distances between the aspheric lens, fiber, and the parameters of fiber and pulsed laser, the coupling efficiencies of optical fiber under different values of all parameters of aspheric lens were obtained and compared. The influence laws of all parameters of aspheric lens on the coupling efficiency of optical fiber were all obtained. Studies results show that under the optimal distances of aspheric lens and fiber, with the increase of curvature radius, cone constant, thickness, tilt angle, radial deviation of vertical shaft, the coupling efficiency of optical fiber all first increases then decreases with the Gaussian-liked function. Moreover, the parameters scan optimization method was used to obtain the optimal values of parameters of aspheric lens. Studies show that the coupling efficiency of optical fiber can reach 85.45% when curvature radius is 1.8903mm, cone constant is -2.0627 , thickness is 250μm, tilt angle is 0°, radial deviation is 0mm.

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Exploring Spatial Optical to Optical Fiber Coupling Techniques for Optical Array Antennas

Liu,

Sun,

Ding

et al. 2023

2023 3rd International Conference on Communication Technology and Information Technology (ICCTIT)

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Spatial Light to Single-Mode Fiber Nutation Coupling Technology

Cited by 4 publications

References 0 publications

Optimization of the optical coupling efficiency of fiber with Gaussian pulsed laser

Optimization of the optical coupling efficiency of fiber with Gaussian pulsed laser

Effects of aspheric lens parameters on the coupling efficiency of fiber with Gaussian pulsed laser

Exploring Spatial Optical to Optical Fiber Coupling Techniques for Optical Array Antennas

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