We generated 110 watts of radial polarized laser beam from Yb fiber laser using photonic-crystal segmented half-wave-plate. This is a promising external radial polarization converter for fiber laser used in the laser cutting industry.
© 2008 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(050.2555) Diffraction and gratings : Form birefringence
P. Phua, W. Lai, Y. Lim, B. Tan, R. Wu, K. Lai, and H. Tan, "High Power Radial Polarization Conversion Using Photonic Crystal Segmented Half-Wave-Plate," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CMO4.