Abstract
We demonstrate single higher-order transverse mode operation of a radially polarized Nd:YAG laser by using a polarization-selective and reflectivity-modulated output coupler. A narrow annular region with low reflectivity fabricated in a photonic crystal mirror behaves so as to select a higher-order transverse mode of a cylindrically symmetric laser beam. A double-ring-shaped radially polarized mode beam is stably generated.
© 2008 Optical Society of America
Full Article | PDF ArticleMore Like This
Yuichi Kozawa and Shunichi Sato
J. Opt. Soc. Am. A 27(3) 399-403 (2010)
Jian-lang Li, Ken-ichi Ueda, Lan-xiang Zhong, Mitsuru Musha, Akira Shirakawa, and Takashi Sato
Opt. Express 16(14) 10841-10848 (2008)
Jian-lang Li, Ken-ichi Ueda, Mitsuru Musha, Lan-xiang Zhong, and Akira Shirakawa
Opt. Lett. 33(22) 2686-2688 (2008)