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Interference between stretched and original pulses

机译:拉伸脉冲与原始脉冲之间的干扰

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摘要

An off-axis holographic recording method for fast-moving objects that has a time resolution of several picoseconds and a large depth of field is suggested. Two different but mutually coherent laser pulses, the original pulse (20 ps) and a stretched pulse (60 ps), are interfered. The short pulse determines the resolution, and the stretched pulse increases the field depth. Interference patterns between the short and the expanded pulses, for λ=1.064 μm and λ=0.532 μm, are demonstrated.
机译:提出了一种用于快速移动物体的离轴全息记录方法,该方法具有几皮秒的时间分辨率和大景深。两个不同但彼此相干的激光脉冲,即原始脉冲(20 ps)和扩展脉冲(60 ps)受到干扰。短脉冲确定分辨率,而扩展脉冲增加场深。演示了短脉冲和扩展脉冲之间的干扰模式,分别为λ= 1.064μm和λ= 0.532μm。

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