在多模光纤中使用新型非线性效应的挑战和前景,用于多光子内微镜的多模光纤
Lidiya V Boldyreva1,2,3, Denis S Kharenko1,4, Kirill V Serebrennikov1,4
1Department of Physics, Novosibirsk State University, 1 Pirogova St., 630090 Novosibirsk, Russia.
Diagnostics (Basel, Switzerland)
|February 13, 2026
概括
多光子内分显微镜 (MPEM) 提供体内成像,用于早期检测肠道癌症. 新型多模式光纤增强了光输送,为先进的诊断工具铺平了道路.
科学领域:
- 生物医学光学 生物医学光学
- 光学诊断器 视觉诊断器 视觉诊断器
- 胃肠道成像学 胃肠道成像学
背景情况:
- 多光子内分显微镜 (MPEM) 提供高分辨率的肠道组织体内成像,对于检测癌前疾病和早期肠道癌症至关重要.
- MPEM利用内源光体和非线性光学效应进行无标签成像,为传统的活检和组织学提供了替代方案.
- 目前MPEM实现的局限性来自于在传递超短激光脉冲和实现激发所需的波长方面面临的挑战.
研究的目的:
- 审查MPEM对肠道组织的生物物理原理.
- 分析现有的多光子激发 (MPE) 的内镜架构.
- 探索多模光纤中非线性效应的潜力,以推进MPEM.
主要方法:
- 对GI组织中的多光子显微镜生物物理学的审查.
- 对当前多光子内微镜架构的分析.
- 在多模光纤中研究非线性光学现象,包括光束自清洁 (BSC) 和超连续生成.
主要成果:
- MPEM能够在上皮,细胞外基质和细胞下水平进行可视化,评估新陈代谢状态和结构重塑.
- 多模光纤为MPE提供了提供超短脉冲和扩展光谱的解决方案.
- 光纤中的光束自我清洁 (BSC) 和超连续生成被确定为实现非线性效应的关键.
结论:
- MPEM是早期检测胃肠道癌症的一个有前途的技术,提供无标签的体内组织学评估.
- 克服激光脉冲传递的技术挑战对于广泛采用MPEM至关重要.
- 将多模光纤与BSC等非线性效应集成,可以显著推进MPEM,从而引发新一代高分辨率的胃肠道恶性瘤诊断仪器.
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