时空洛伦兹非均匀关联部分相干脉冲光源及其传输特性

doi:10.3969/j.issn.1007-5461.2026.05.010

量子电子学报 ›› 2026, Vol. 43 ›› Issue (5): 778-792.doi: 10.3969/j.issn.1007-5461.2026.05.010

时空洛伦兹非均匀关联部分相干脉冲光源及其传输特性

刘则廷 1,2, 丁超亮 1,2*, 李晋红 2

1 天津理工大学物理科学与技术学院, 天津市量子光学与智能光子学重点实验室, 天津 300384; 2 太原科技大学应用科学学院, 山西省光场调控与融合应用技术创新中心, 山西太原 030024

收稿日期:2025-06-30 修回日期:2025-09-23 出版日期:2026-09-28 发布日期:2026-09-30
通讯作者: E-mail: dingchaoliang2006@126.com E-mail:dingchaoliang2006@126.com
作者简介:刘则廷 ( 1998 - ), 山西临汾人, 研究生, 主要从事光场调控方面的研究。E-mail: zeting_liu@163.com
基金资助:
国家自然科学基金面上项目 (12174171), 全国重点实验室开放课题 (2026QZKF020)

Partially coherent pulsed source with spatiotemporal Lorentz non‐uniform correlation and its propagation properties

LIU Zeting 1,2, DING Chaoliang 1,2*, LI Jinhong 2

1 Tianjin Key Laboratory of Quantum Optics and Intelligent Photonics, School of Physical Science and Technology, Tianjin University of Technology, Tianjin 300384, China; 2 Shanxi Provincial Technology Innovation Center for Light Field Manipulation and Fusion Application, School of Applied Science, Taiyuan University of Science and Technology, Taiyuan 030024, China

Received:2025-06-30 Revised:2025-09-23 Published:2026-09-28 Online:2026-09-30

摘要/Abstract

摘要： 部分相干脉冲光束在光通信、微粒操控及光束整形等领域具有广泛应用。本文基于非稳态光场相干理论, 提出了一类同时具有空间和时间洛伦兹非均匀关联的部分相干脉冲光源, 即时空洛伦兹非均匀关联(SLNUC)脉冲光源。利用广义惠更斯-菲涅尔衍射积分, 推导了SLNUC 脉冲光束在时空光学系统中的解析传输公式, 并研究了其在色散介质中的时空强度演化行为。研究表明, SLNUC 脉冲光束在传输过程中表现出时空自聚焦特性, 该特性归因于脉冲光源特殊的时空相干结构。而时空自聚焦作为一种光学非线性现象, 在激光微加工和激光成丝领域具有潜在应用价值, 因此, 预示着SLNUC 脉冲光束在相关领域具有一定的应用前景。

关键词: 光学, 脉冲光源, 光场调控, 洛伦兹非均匀关联, 相干性, 传输

Abstract: Partially coherent pulsed beams are widely used in optical communication, particle manipulation, beam shaping, etc. Based on the coherence theory of nonstationary light fields, a class of partially coherent pulsed sources with both spatial and temporal Lorentz non-uniform correlation, namely the spatiotemporal Lorentz non-uniform correlation (SLNUC) pulsed sources, is proposed in this paper. By using the generalized Huygens-Fresnel diffraction integral, the analytical propagation formula of SLNUC pulsed beams through a spatiotemporal optical system is derived, and the spatiotemporal intensity evolution behavior of SLNUC pulsed beams in a dispersive medium is investigated. The results show that the SLNUC pulsed beams exhibit spatiotemporal self-focusing characteristics during propagation, which is attributed to the unique spatiotemporal coherent structure of the pulsed light source. It is well known that as an optical nonlinear phenomenon, spatiotemporal self-focusing has potential applications in laser micromachining and laser filament formation, which indicates that SLNUC pulsed beams have certain application prospects in related fields.

Key words: optics, pulsed source, light field modulation, Lorentz non-uniform correlation, coherence; propagation

中图分类号:

O436

刘则廷 , 丁超亮 , 李晋红 . 时空洛伦兹非均匀关联部分相干脉冲光源及其传输特性[J]. 量子电子学报, 2026, 43(5): 778-792.

LIU Zeting , DING Chaoliang , LI Jinhong. Partially coherent pulsed source with spatiotemporal Lorentz non‐uniform correlation and its propagation properties[J]. Chinese Journal of Quantum Electronics, 2026, 43(5): 778-792.

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时空洛伦兹非均匀关联部分相干脉冲光源及其传输特性

Partially coherent pulsed source with spatiotemporal Lorentz non‐uniform correlation and its propagation properties

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