Diffractive optical elements (DOEs) to modify laser beam spatial intensity distributions are described. The elements have been applied to free-space Gaussian to flat-top beam conversion and customization of the modes of a laser resonator. The single pass free space elements demonstrate a high efficiency but result in too much high frequency noise on the beam. The intra-cavity elements significantly altered the TEM00 profile but practical limitations with the positioning of the element within the cavity prevented operation in the design mode.
|Number of pages||8|
|Journal||Proceedings of SPIE - the International Society for Optical Engineering|
|Publication status||Published - 1999|
|Event||Proceedings of the 1998 3rd International Conference on Solid State Lasers for Application to Inertial Confinement Fusion - Monterey, CA, USA|
Duration: 7 Jun 1998 → 12 Jun 1998