Multi-photon microscopy based on resonant four-wave mixing of colloidal quantum dots
Multi-photon microscopy based on resonant four-wave mixing of colloidal quantum dots
复制标题
基于胶体量子点共振四波混合的多光子显微镜
DOI:
10.1117/12.807968
复制
发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Masia F
中科院分区:
文献类型:
--
作者:
Masia F
We demonstrate a novel multi-photon imaging modality based on the detection of four-wave mixing (FWM) from colloidal nanoparticles. Four-wave mixing is a third-order signal which can be excited and detected in resonance with the ground-state excitonic transition of CdSe/ZnS quantum dots. The coherent FWM signal is detected interferometrically to reject incoherent backgrounds for improved image contrast compared to fluorescence methods. We measure transversal and axial resolutions of 140nm and 590nm respectively, significantly beating the one-photon diffraction limit. We also demonstrate optical imaging of quantum-dot-labeled Golgi structures of HepG2 cells.
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
Michiel Müller
通讯作者:
Michiel Müller
DOI:
10.1088/0953-8984/19/29/295201
发表时间:
2007-06
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
作者:
P. Borri;W. Langbein
通讯作者:
P. Borri;W. Langbein
影响因子:
56.9
作者:
DENK, W;STRICKLER, JH;WEBB, WW
通讯作者:
WEBB, WW