Design and optimization of a highly efficient optical multipass system for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>γ</mml:mi></mml:mrow></mml:math>-ray beam production from electron laser beam Compton scattering
Physical review special topics. Accelerators and beams