Text this: Characterization of a compact filament-driven multicusp ion source for low energy time-of-flight Rutherford backscattering spectrometry application

 __   _    __   __    _____     ______            
| || | ||  \ \\/ //  /  ___||  /_   _//   ____    
| '--' ||   \ ` //  | // __     -| ||-   |    \\  
| .--. ||    | ||   | \\_\ ||   _| ||_   | [] ||  
|_|| |_||    |_||    \____//   /_____//  |  __//  
`-`  `-`     `-`'     `---`    `-----`   |_|`-`   
                                         `-`