Rise time measurement for ultrafast X-ray pulses

Details Rise time measurement for ultrafast X-ray pulses Rise time measurement for ultrafast X-ray pulses

2005-04-05

2005-04-05

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Diffraction, reflection, or scattering analysis

C378S063000, C378S070000, C378S086000, C378S098800, C250S336100, C250S370090, C250S591000

Reexamination Certificate

active

06876723

ABSTRACT:
A pump-probe scheme measures the rise time of ultrafast x-ray pulses. Conventional high speed x-ray diagnostics (x-ray streak cameras, PIN diodes, diamond PCD devices) do not provide sufficient time resolution to resolve rise times of x-ray pulses on the order of 50 fs or less as they are being produced by modern fast x-ray sources. Here, we are describing a pump-probe technique that can be employed to measure events where detector resolution is insufficient to resolve the event. The scheme utilizes a diamond plate as an x-ray transducer and a p-polarized probe beam.

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patent: 5789876 (1998-08-01), Umstadter et al.
patent: 6320367 (2001-11-01), Cuzin et al.
patent: 6408048 (2002-06-01), Opsal et al.

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