Author(s)

Yas Al-Hadeethi^1,2, A. Al-Mujtabi¹, Fahd M. Al-Marzouki¹

¹Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, KSA.
²Lithography in Devices Fabrication and Development Research Group, DSR, King Abdulaziz University, Jeddah, KSA.

Plasma X-ray sources for biological microscopy have been produced by focusing single shots from Nd:glass laser onto carbon rod targets at irradiances between 1 × 10¹³ W⋅cm⁻² and 3 × 10¹³ W⋅cm⁻² to expose test objects. The optimum parameters needed for obtaining high accurate information on the samples under test namely: the minimum energies and irradiances at a range of angles between the incoming laser beam and the normal to the resist, the depth of exposure of the photoresist as a function of incident laser energy (and irradiance) were concluded in this work.

Laser Plasmas, Contact Microscopy, Laser Ablation, Water Window X-Rays, PMMA Photoresist, Mass Ablation Rate, Exposure Depth

Al-Hadeethi, Y. , Al-Mujtabi, A. and Al-Marzouki, F. (2017) Laser Produced Plasma X-Ray Sources for Nanoscale Resolution Contact Microscopy: A Candidate in Cancerous Stem Cells Imaging. Advances in Molecular Imaging, 7, 67-77. doi: 10.4236/ami.2017.74004.