[1] [1] Luo Boliang, Wang Chengcheng, Du Jinglei et al.. Design and analysis of phase gratings for laser beams coherent combination [J]. Microelectronic Engineering, 2006, 83(4-9):1368～1371

[2] [2] James R. Leger, Gary J. Swanson, Wilfrid B. Veldkamp. Coherent laser addition using binary phase gratings [J]. Appl. Opt., 1987, 26(20):688～696

[3] [3] Wilfrid B. Veldkamp, James R. Leger, Gray J. Swanson. Coherent summation of laser beams using binary phase gratings [J]. Opt. Lett., 1986, 11(5):303～305

[4] [4] James R. Leger, Gray J. Swanson, Wilfrid B. Veldkamp. Coherent beam addition of GaAlAs lasers by binary phase gratings [J]. Appl. Phys. Lett., 1986, 48(14):888～890

[5] [5] James R. Leger, Miles L. Scott, Wilfrid B. Veldkamp. Coherent addition of AlGaAs lasers using microlenses and diffractive coupling [J]. Appl. Phys. Lett., 1998, 52(21):1771～1773