Coherent beam combining of seven fiber chirped-pulse amplifiers using an interferometric phase measurement
Coherent beam combining in tiled-aperture configuration is demonstrated on seven femtosecond fiber amplifiers using an interferometric phase measurement technique. The residual phase error between two fibers is as low as…
Laser frequency shift up to 5 GHz with a high-efficiency 12-pass 350-MHz acoustooptic modulator
“We demonstrate a novel laser frequency shift scheme using a 12-pass 350-MHz acousto-optic modulator (AOM). This AOM system shows better performance compared to ordinary acousto-optic modulation schemes. The frequency of…
Fast optical recording of neuronal activity by three-dimensional custom-access serial holography
Optical recording of neuronal activity in three-dimensional (3D) brain circuits at cellular and millisecond resolution in vivo is essential for probing information flow in the brain. While random-access multiphoton microscopy…
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