1. Uniform illumination of large targets using a lens array
2. Beam shaping by holographic filters
3. Absorbing filter to flatten Gaussian beams
4. Baida Lv, Laser Optics: Beam Characterization and Transformation, Resonator Technology and Physics, third ed., Beijing, 2003.
5. Jay W. Dawson, Raymond Beach, Igor Jovanovic, Benoit Wattellier, Zhi Liao, Stephen A. Payne, C.P.J. Barty, in: Proceedings of SPIE, 2004, p. 132.