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Optical Components, Detectors, and Displays

Generation of hollow conic beams using a metal axicon mirror

[+] Author Affiliations
Satya Ram Mishra

Raja Ramanna Centre for Advanced Technology, Laser Physics Applications Division, Indore 452013, India

Sanjiv K. Tiwari

Raja Ramanna Centre for Advanced Technology, Laser Physics Applications Division, Indore 452013, India

Surjya P. Ram

Raja Ramanna Centre for Advanced Technology, Laser Physics Applications Division, Indore 452013, India

Shrikant C. Mehendale

Raja Ramanna Centre for Advanced Technology, Laser Physics Applications Division, Indore 452013, India

Opt. Eng. 46(8), 084002 (August 13, 2007). doi:10.1117/1.2771155
History: Received October 23, 2006; Revised February 07, 2007; Accepted February 12, 2007; Published August 13, 2007
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We propose and demonstrate generation of hollow conic beams using a new element—a metal axicon mirror. A good-quality hollow conic beam was generated from a Gaussian laser beam with high conversion efficiency. We also show that by focusing the hollow conic beam with suitable lenses, it is possible to obtain a weakly converging hollow beam for which the diameter remains between 1 and 3mm over a propagation distance of about 10cm, which should be of interest for atom-guiding applications. In the focal region, a nearly nondiffracting central spot of size 13μm (FWHM) was observed for a propagation distance of 8mm.

Figures in this Article
© 2007 Society of Photo-Optical Instrumentation Engineers

Topics

Axicons ; Mirrors ; Metals ; Lenses

Citation

Satya Ram Mishra ; Sanjiv K. Tiwari ; Surjya P. Ram and Shrikant C. Mehendale
"Generation of hollow conic beams using a metal axicon mirror", Opt. Eng. 46(8), 084002 (August 13, 2007). ; http://dx.doi.org/10.1117/1.2771155


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