Eyyuboğlu, Halil T.; Yenice, Y. E.; Baykal, Yahya
(Spie-Int Soc Optical Engineering, 2006-03)
Propagation of higher order annular Gaussian (HOAG) laser beams in free space is examined. HOAG beams are defined as the difference of two Hermite-Gaussian (HG) beams; thus, they can be produced by subtracting a smaller ...