Laser with simultaneous Gaussian and conical refraction outputs

We report a double-sided two-mirror neodymium-doped KGd(WO 4 ) 2 /Nd:KGW conical refraction laser which produces a linearly polarised output from the flat output coupler and a cone-refracted output from the curved output coupler. The linearly polarised output had a polarisation extinction ratio of 2...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2010-06, Vol.99 (4), p.619-622
Main Authors: Wilcox, K. G., Abdolvand, A., Kalkandjiev, T. K., Rafailov, E. U.
Format: Article
Language:English
Subjects:
Beam characteristics: profile, intensity, and power
spatial pattern formation
Curved
Engineering
Exact sciences and technology
Extinction
Fundamental areas of phenomenology (including applications)
Gaussian
Gaussian beams (optics)
Joining
Laser optical systems: design and operation
Lasers
Optical Devices
Optics
Photonics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Optics
Rapid Communication
Refraction
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Summary:We report a double-sided two-mirror neodymium-doped KGd(WO 4 ) 2 /Nd:KGW conical refraction laser which produces a linearly polarised output from the flat output coupler and a cone-refracted output from the curved output coupler. The linearly polarised output had a polarisation extinction ratio of 20:1 with a Gaussian beam profile and a measured M 2 =1. The unpolarised output had the intensity and polarisation distribution corresponding to a cone-refracted Gaussian beam with extinction ratio of 2.7:1.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-010-4043-5