Proposal to obtain a hollow laser beam from a hollow cone-shaped resonator

Jinglun Liu; Yude Li; Mei Chen; Junping Guo; Feng Zhao

doi:10.1117/1.2790912

1 October 2007 Proposal to obtain a hollow laser beam from a hollow cone-shaped resonator

Jinglun Liu, Yude Li, Mei Chen, Junping Guo, Feng Zhao

Author Affiliations +

Optical Engineering, Vol. 46, Issue 10, 108001 (October 2007). https://doi.org/10.1117/1.2790912

Abstract

A CO₂ laser with a hollow cone-shaped resonator (HCR) for producing a hollow laser beam (HLB) is proposed. The HCR consists of a totally reflective mirror and a partially reflective mirror at the two ends of a hollow cone-shaped discharge tube. In a longitudinal section of the HCR along its axis of symmetry it can be regarded as a folded cavity. Employing an standard optical system, the HLBs can be focused to meet the requirements of various applications. Analysis shows that not only can an HLB be obtained, but also the radius of the dark region of the focused HLB is easy to adjust. The hollow cone-shaped CO₂ laser may be used as a new type of optical tweezers.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jinglun Liu, Yude Li, Mei Chen, Junping Guo, and Feng Zhao "Proposal to obtain a hollow laser beam from a hollow cone-shaped resonator," Optical Engineering 46(10), 108001 (1 October 2007). https://doi.org/10.1117/1.2790912

Published: 1 October 2007

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