精确测量透镜光纤探头聚焦的超连续光源的波长相关光束参数

IF 4.6 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Chinese Journal of Physics Pub Date : 2024-10-20 DOI:10.1016/j.cjph.2024.10.023

Kuan-Yuan Chang , Jun-Cheng Hsu , Jia-Ming Liu

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引用次数: 0

摘要

在这项工作中，超连续（SC）光被光学透镜光纤（OLF）聚焦。我们展示了一种新方法，通过使用光谱仪测量不同波长背耦合效率的变化，细致分析 OLF 探针和聚焦 SC 光束的多波长光束参数。相比之下，使用传统方法获得的 OLF 参数不可避免地会出现相对较小的误差，从而导致聚焦 SC 光束的空间信息出现重大误差。因此，这种方法有望成为带有 OLF 探头的系统的必要校准程序。我们的 OLF 聚焦的 SC 光束在大约 120 μm 的光束尺寸和焦距范围内几乎没有色差。

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Accurate measurement of wavelength-Dependent beam parameters of a supercontinuum light source focused by a lensed fiber probe

In this work, an supercontinuum (SC) light is focused by an optical lensed fiber (OLF). We demonstrate a new method to meticulously analyze multi-wavelength beam parameters of the OLF probe and the focused SC beam by applying a spectrometer to measure the variation of back-coupling efficiency for different wavelengths. By contrast, inevitable and relatively small errors in the OLF parameters that are obtained by using the conventional method lead to significant errors in the spatial information of the focused SC beam. Therefore, this method is expected to be a necessary calibration procedure for a system with an OLF probe. The SC beam focused by our OLF has little chromatic aberration in the beam size and the focal length in a range of approximately 120 μm.

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来源期刊

Chinese Journal of Physics 物理-物理：综合

CiteScore

8.50

自引率

10.00%

发文量

361

审稿时长

44 days

期刊介绍： The Chinese Journal of Physics publishes important advances in various branches in physics, including statistical and biophysical physics, condensed matter physics, atomic/molecular physics, optics, particle physics and nuclear physics. The editors welcome manuscripts on: -General Physics: Statistical and Quantum Mechanics, etc.- Gravitation and Astrophysics- Elementary Particles and Fields- Nuclear Physics- Atomic, Molecular, and Optical Physics- Quantum Information and Quantum Computation- Fluid Dynamics, Nonlinear Dynamics, Chaos, and Complex Networks- Plasma and Beam Physics- Condensed Matter: Structure, etc.- Condensed Matter: Electronic Properties, etc.- Polymer, Soft Matter, Biological, and Interdisciplinary Physics. CJP publishes regular research papers, feature articles and review papers.