Comparison of laser-generated plasma x-ray sources for contact microscopy

Robin A. Cotton; Julian H. Fletcher; Colin E. Webb; Anthony D. Stead; Thomas W. Ford

doi:10.1117/12.167984

1 February 1994 Comparison of laser-generated plasma x-ray sources for contact microscopy

Robin A. Cotton, Julian H. Fletcher, Colin E. Webb, Anthony D. Stead, Thomas W. Ford

Proceedings Volume 2015, Applications of Laser Plasma Radiation; (1994) https://doi.org/10.1117/12.167984
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Soft x-ray contact microscopy (SXCM) is a technique which can image the ultrastructure of living biological specimens at a resolution considerably better than light microscopy (LM). Two such laser systems have been developed for the generation of water window x rays. A small beam line of the large Nd:GLASS laser `Vulcan' at the Rutherford Appleton Laboratory (RAL), UK, has been set up, giving approximately 6 - 8 J on target at a wavelength of 1.06 micrometers . In addition, a smaller discharge pumped KrF excimer laser, based at the Clarendon Laboratory, University of Oxford, UK, has been built, giving approximately 2 J at a wavelength of 249 nm. A comparison of the x-ray emission from plasma generated by the two laser systems using various target materials has been made and evaluated with respect to their application to SXCM.

Citation Download Citation

Robin A. Cotton, Julian H. Fletcher, Colin E. Webb, Anthony D. Stead, and Thomas W. Ford "Comparison of laser-generated plasma x-ray sources for contact microscopy", Proc. SPIE 2015, Applications of Laser Plasma Radiation, (1 February 1994); https://doi.org/10.1117/12.167984

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