Title :
Generation of beams with spiral phase shift using a divided half waveplate in a laser cavity
Author :
Kawauchi, Hikaru ; Kozawa, Yuichi ; Sato, Shunichi ; Kawakami, Shojiro
Author_Institution :
Inst. of Multidiscipl. Res. for Adv. Mater., Tohoku Univ., Sendai
Abstract :
Beams with spiral phase shift are generated using a duodecimally divided half waveplate in a Ti:sapphire laser cavity. Either Laguerre-Gaussian or radially polarized laser beam with orbital angular momentum is obtained from the cavity.
Keywords :
laser beams; laser cavity resonators; optical pulse generation; Ti:sapphire laser cavity; divided half waveplate; spiral phase shift; Laser beam cutting; Laser beams; Laser modes; Optical polarization; Optical pumping; Optical resonators; Optical retarders; Optical vortices; Pump lasers; Spirals; (140.3410) Laser resonators; (230.5440) Polarization-selective devices; (260.5430) Polarization; (260.6042) Singular optics;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
