Laser scanning multiphoton microscopy is widely used for in vivo imaging applications. Commonly employed systems can offer an imaging rate of tens of Hz. With the emergence of high-speed function indicators, an imaging rate at hundreds of Hz is required. Recently, we developed the optical gearbox, which can convert commonly employed imaging systems and sources for high-speed imaging with a frame rate ranging from tens of Hz to 1,000 Hz. Here, we present our latest work which showcases the performance of optical gearbox based two-photon laser scanning microscopy for in vivo imaging of neuronal and vascular dynamics in mouse brain.
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