Abstract
Although autocorrelation techniques have demonstrated femtosecond time resolution from the infrared to the ultraviolet wavelength region, the streak camera is still the fastest broadband x-ray/xuv detector. This is due to the difficulty of using x-ray nonlinear optical effects for correlation techniques over a broad wavelength range. [1] The fastest x-ray streak camera measurement to date was demonstrated to be ≈ 2ps, and was limited both by the streak camera itself, and by the x-ray source.[2,3] Up to now, X-ray pulses from laser-produced plasmas have been use for streak camera calibration. However, such pulses are far from ideal because their duration can be comparable to the resolution of the camera being testted. For this work, we use high-harmonics from a 25fs laser[4] to successfully calibrate a newly-developed x-ray streak camera.
© 1996 Optical Society of America
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