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Adaptable beam profiles from a dual-cavity Nd:YAG laser
- Issue Date
- Apr-2016
- Publisher
- Optical Society of America
- Citation
- Optics Letters, v.41, no.8, pp.1740 - 1743
- Indexed
- SCIE
SCOPUS
- Journal Title
- Optics Letters
- Volume
- 41
- Number
- 8
- Start Page
- 1740
- End Page
- 1743
- ISSN
- 0146-9592
- Abstract
- We report a technique to tailor a laser beam profile from a donut to quasi-top-hat intensity distribution, directly from the laser, simply achieved by simultaneous excitation and control of the relative contributions of the fundamental (TEM00) and first-order Laguerre-Gaussian (LG(01)) transverse modes. Exploiting a dual-cavity configuration with a single Nd: YAG gain element, adaptable continuous-wave laser beam profiles from the primary cavity could be obtained by varying the diffraction loss of an acousto-optic modulator in the secondary cavity. We investigate the resultant beam profiles as a function of pump power and the AOM diffraction loss, and discuss the prospects for tunable laser beams profiles. (C) 2016 Optical Society of America
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Related Researcher
- Kim, Ji Won
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF PHOTONICS AND NANOELECTRONICS)