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Generation of pulsed Bessel–Gauss beams using passive axicon-theoretical and experimental studies |
Applied Optics, Vol. 51, Issue 30, pp. 7339-7344 (2012)
http://dx.doi.org/10.1364/AO.51.007339
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Abstract
We studied the conditions for generating passive Bessel–Gauss beams by using an axicon. We designed an appropriate Gaussian resonator and extracted a quasi-fundamental Gaussian mode from a pulsed Nd:YAG laser pumped by a Xenon flash lamp and measured its parameters, such as propagation factor, divergence angle, and Rayleigh range. Then we generated passive Bessel–Gauss beams using an axicon and investigated their propagation properties, theoretically and experimentally. For example, for the axicon of 1°, the output energy and the Rayleigh range of the generated Bessel–Gauss beams were measured to be 58 mJ and 229.3 mm, respectively. We compared these properties with our results of the Gaussian mode. Finally, by using axicons with different apex angles, and also by changing the beam spot size on the axicon, we generated Bessel–Gauss beams and studied their properties theoretically and experimentally.
© 2012 Optical Society of America
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.4780) Lasers and laser optics : Optical resonators
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: August 6, 2012
Revised Manuscript: September 19, 2012
Manuscript Accepted: September 21, 2012
Published: October 17, 2012
Citation
Shahrzad Parsa, Hamid Reza Fallah, Mohsen Ramezani, and Mahmood Soltanolkotabi, "Generation of pulsed Bessel–Gauss beams using passive axicon-theoretical and experimental studies," Appl. Opt. 51, 7339-7344 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-30-7339
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