Ultrashort pulse light beam is an important tool in many areas of science and technology. It is used to study ultrafast phenomena to new imaging modalities. Because of its ultra-broad frequency bandwidth, it can be used to control, manipulate, and characterize light–matter interactions.
Over the recent years, we have played with non-paraxial beams and short pulses new imaging modalities. However, we also found the ultrashort optical pulse of a fraction or few optical cycles may change many well-known assumptions in optical metrology. Here a few questions:
• How the ultrashort pulse affects the diffraction point spread function?
• Does ultrashort pulse interferometry to test optical component is possible?
• How the far field and near field diffraction are affected by ultrashort pulse duration?
• How vectorial beams are affected under short pulse and non-paraxial conditions?
In this talk, we will try to introduce how ultrashort pulse may open a new area in optical metrology.
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