Title :
Efficient formation of pure helical beams from a Gaussian beam
Author :
Machavariani, G. ; Davidson, N. ; Friesem, A.A. ; Ishaaya, A.A. ; Blit, S. ; Hasman, E.
Author_Institution :
Dept. of Phys. of Complex Syst., Weizmann Inst. of Sci., Israel
Abstract :
Summary from only given. We verified our approach experimentally with spiral phase elements (SPEs) and a cw Nd-YAG laser. The experimental intensity distribution at the far field when passing the incident shifted-Gaussian beam through SPE was detected by a CCD camera.
Keywords :
CCD image sensors; laser beams; laser variables measurement; neodymium; optical elements; solid lasers; CCD camera; Gaussian beam; SPEs; YAG:Nd; YAl5O12:Nd; cw Nd-YAG laser; far field; incident shifted-Gaussian beam; intensity distribution; pure helical beams; spiral phase elements; Absorption; Laser beams; Laser feedback; Laser modes; Laser theory; Optical waveguides; Photodiodes; Pump lasers; Sensor arrays; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Conference_Location :
Long Beach, CA, USA
Print_ISBN :
1-55752-706-7
DOI :
10.1109/CLEO.2002.1033635
