毫米尺度的两光子贝塞尔-高斯束光片显微镜,具有三轴同otropic分辨率,使用轴子镜头
Cléophace Akitegetse1,2,3, Thomas Charland1,2, Mireille Quémener1,2,4
1Centre de recherche CERVO, Québec, Québec, Canada.
Neurophotonics
|June 26, 2023
概括
这项研究引入了一种新型的两光子光板显微镜,利用贝塞尔-高斯束进行增强成像. 该系统实现了卓越的分辨率和视野,用于快速,大规模的标本成像.
科学领域:
- 显微镜的使用方法
- 生物光子学 生物光子学
- 神经科学是一个神经科学.
背景情况:
- 光板显微镜由于光板几何学,经常面临着工件.
- 高斯激光束导致光板厚度不均,限制了成像质量.
研究的目的:
- 开发一台双光子光片显微镜,提高了光片的延伸度和分辨率.
- 为了克服传统高斯光束照明在光板显微镜中的局限性.
主要方法:
- 采用了由轴子镜头与放大型女秒激光器生成的贝塞尔-高斯光束.
- 开发了一种两光子光板显微镜,用于成像被清除的小鼠大脑,专注于多巴胺系统.
主要成果:
- 通过一毫米的视野,在所有轴上实现了的同otropic分辨率.
- 实现了高达6毫米的快速采集速度,并展示了6毫米的潜在板幅.
- 成功成像了多巴胺基系统及其投射在整个清除的小鼠大脑.
结论:
- 开发的光板显微镜在光板范围和分辨率方面超过了现有的系统.
- 能够快速成像大型生物标本,具有高保真度.
- 为神经生物学研究和全脑成像提供了重大进展.
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