2 papers
physics.optics2003
High-power doughnut beam generation for atom-funnel experiment
S. M. Iftiquar, H. Ito, K. Totsuka +2
We have generated high power doughnut beam suitable for atom funnel experiment with the conversion efficiency of about 50 %.
physics.optics2003
Excitation Of A Funnel-Shape Optical Near Field By The Laguarre-Gaussian Doughnut Beam
S. M. Iftiquar, Haruhiko Ito, Akifumi Takamizawa +1
Optical near field has been generated by Laguarre-Gaussian doughnut beam on inner surface of "atom funnel". The resulting optical near field has been measured with the help of fibe…