Ultrafast X-Ray Diagnostics For Laser Fusion Experiments

Lamar W. Coleman

doi:10.1117/12.955132

18 January 1977 Ultrafast X-Ray Diagnostics For Laser Fusion Experiments

Lamar W. Coleman

Proceedings Volume 0094, High Speed Optical Techniques: Developments and Applications; (1977) https://doi.org/10.1117/12.955132
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

Temporally, spectrally, and spatially resolved x-ray emission diagnostics are important tools in the study of the heating and compression of laser fusion targets by sub-nanosecond laser pulses. The use of the Livermore 15 psec resolution x-ray streak camera to make such measurements is reviewed. Temporal histories of spectrally resolved x-ray emission in the 1-10 keV range have been obtained. These data have served to further define the x-ray streak camera as a quantative diagnostic tool and have also provided data relating to the absorption and compression phases of laser heating. The x-ray streak camera has been used in conjunc-tion with a specially designed pinhole imaging system to temporally record images of laser compressed targets with a spatial resolution of approximately 6 pm. Implosion characteristics are presented for experiments with glass microshell targets. The concept, development, and testing of an ultrafast framing camera for full two-dimensional time resolved imaging is discussed. A prototype camera, based on the image dissection-restoration concept, has achieved an approximately 200 psec frame period with a resolution of 50 μm.

Citation Download Citation

Lamar W. Coleman "Ultrafast X-Ray Diagnostics For Laser Fusion Experiments", Proc. SPIE 0094, High Speed Optical Techniques: Developments and Applications, (18 January 1977); https://doi.org/10.1117/12.955132

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