CLC number: O439
On-line Access: 2021-10-08
Received: 2020-08-12
Revision Accepted: 2020-11-06
Crosschecked: 2020-12-24
Cited: 0
Clicked: 5656
Citations: Bibtex RefMan EndNote GB/T7714
Ruheng Shi, Cheng Jin, Chi Liu, Lingjie Kong. Enhanced collection of scattered photons in nonlinear fluorescence microscopy by extended epi-detection with a silicon photomultiplier array[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(10): 1289-1298.
@article{title="Enhanced collection of scattered photons in nonlinear fluorescence microscopy by extended epi-detection with a silicon photomultiplier array",
author="Ruheng Shi, Cheng Jin, Chi Liu, Lingjie Kong",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="22",
number="10",
pages="1289-1298",
year="2021",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2000410"
}
%0 Journal Article
%T Enhanced collection of scattered photons in nonlinear fluorescence microscopy by extended epi-detection with a silicon photomultiplier array
%A Ruheng Shi
%A Cheng Jin
%A Chi Liu
%A Lingjie Kong
%J Frontiers of Information Technology & Electronic Engineering
%V 22
%N 10
%P 1289-1298
%@ 2095-9184
%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2000410
TY - JOUR
T1 - Enhanced collection of scattered photons in nonlinear fluorescence microscopy by extended epi-detection with a silicon photomultiplier array
A1 - Ruheng Shi
A1 - Cheng Jin
A1 - Chi Liu
A1 - Lingjie Kong
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 22
IS - 10
SP - 1289
EP - 1298
%@ 2095-9184
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2000410
Abstract: To maximize signal collection in nonlinear optical microscopy, non-descanned epi-detection is generally adopted for in vivo imaging. However, because of severe scattering in biological samples, most of the emitted fluorescence photons go beyond the collection angles of objectives and thus cannot be detected. Here, we propose an extended detection scheme to enhance the collection of scattered photons in nonlinear fluorescence microscopy using a silicon photomultiplier array ahead of the front apertures of objectives. We perform numerical simulations to demonstrate the enhanced fluorescence collection via extended epi-detection in the multi-photon fluorescence imaging of human skin and mouse brain through craniotomy windows and intact skulls. For example, with red fluorescence emission at a depth of 600 μm in human skin, the increased collection can be as much as about 150% with a 10×, 0.6-NA objective. We show that extended epi-detection is a generally applicable, feasible technique for use in nonlinear fluorescence microscopy to enhance signal detection.
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