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- Title
Three-wavelength green laser using intracavity frequency conversion of Nd:Mg:LiTaO with a MgO:PPLN crystal.
- Authors
Wang, Dong; Yan, Bo; Bi, Yong; Sun, De; Sang, Yuan; Liu, Hong; Kumar, Anil; Boughton, Robert
- Abstract
A green laser with multi-wavelength emission was demonstrated using intracavity frequency conversion (frequency doubling and frequency summing) in a Nd:Mg:LiTaO laser. MgO-doped periodically poled lithium niobate (MgO:PPLN) was used as a nonlinear crystal in this work. A 62 mW that could emit light at 546, 542 and 538 nm was obtained by end pumping with a 808-nm laser diode. The speckle contrast ratio for the three-wavelength laser was only 3.36 %, a quarter of the value of the conventional 532-nm laser.
- Subjects
LITHIUM niobate; WAVELENGTHS; NEODYMIUM compounds; LITHIUM tantalate; CRYSTAL structure; MAGNESIUM oxide
- Publication
Applied Physics B: Lasers & Optics, 2014, Vol 117, Issue 4, p1117
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-014-5933-8