Asymmetry and Contradiction of Mirror Misalignments Influence of Off-Axial Cylindrical Hybrid Resonator

• Authors: N. Wang , X. Li , H. Zhu
• Languages of publication: EN

Abstracts

EN

The output far-field intensity distributions of off-axial cylindrical hybrid resonator with different mirror misalignments are simulated by coordinate transformation fast Fourier-transform algorithm. The simulations showed that the mirror misalignments influence is different in anticlockwise and clockwise tilt direction. According to the calculation results, the output beam quality of off-axial unstable resonator is analyzed, from the aspects of M^2 value and power in the bucket curves. Furthermore, the analysis brings out an interesting contradiction that the beam quality changing evaluated by M^2 value is different from that by power in the bucket curves when the mirror misalignments occurred in anticlockwise direction. It demonstrated that the beam quality evaluation of off-axial unstable resonator should not be one-sided.

Keywords

EN

42.55.Xi; 42.60.Da; 42.60.Jf

Discipline

• 42.60.Jf: Beam characteristics: profile, intensity, and power; spatial pattern formation
• 42.60.Da: Resonators, cavities, amplifiers, arrays, and rings
• 42.55.Xi: Diode-pumped lasers

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 4
• Pages: 661-664

Dates

published

2013-10

received

2012-11-09

Contributors

author

N. Wang

• College of Science, China University of Petroleum (Huadong), Qingdao, Shandong, 266580, People's Republic of China

author

X. Li

• College of Science, China University of Petroleum (Huadong), Qingdao, Shandong, 266580, People's Republic of China

author

H. Zhu

• College of Science, China University of Petroleum (Huadong), Qingdao, Shandong, 266580, People's Republic of China

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Identifiers

DOI

10.12693/APhysPolA.124.661