Rapid Coherent Raman hyperspectral imaging based on delay-spectral focusing dual comb method and deep learning algorithm

Yujia Zhang, Minjian Lu, Jiaqi Hu, Yan Li, Perry Shum, Jinna Chen & Haoyun Wei
Rapid coherent Raman hyperspectral imaging shows great promise for applications in sensing, medical diagnostics and metabolism dynamic monitoring. However, the spectral acquisition speed of current multiplex CARS microscopy is generally limited by the spectrometer integration time, making it difficult to achieve the video frame rate imaging. On the other hand, as the detection speed increases, the signal-to-noise ratio (SNR) of single spectrum will decrease leading to a terrible imaging quality. In this letter, we report...
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