Observation and investigation of off-axis modes in a high-power Nd:YAG laser

Konstantin V. Volodchenko; Michael S. Kurdoglyan; Chil Min Kim; Gyu Ug Kim

doi:10.1364/AO.43.004768

Observation and investigation of off-axis modes in a high-power Nd:YAG laser

Konstantin V. Volodchenko, Michael S. Kurdoglyan, Chil Min Kim, Gyu Ug Kim

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

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Abstract

Unusual transverse patterns were observed in a cw-lamp-pumped Nd:YAG laser near the boundaries of the stability zones of the laser resonator. An interpretation of these patterns is given in terms of off-axis modes, which can be excited owing to spherical aberrations and astigmatism of the thermal lens and thermally induced birefringence. Additional evidence of the off-axis character of the observed modes was obtained by analysis of the temporal behavior of the observed patterns.

Original language	English
Pages (from-to)	4768-4773
Number of pages	6
Journal	Applied Optics
Volume	43
Issue number	24
DOIs	https://doi.org/10.1364/AO.43.004768
State	Published - 20 Aug 2004

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abstract = "Unusual transverse patterns were observed in a cw-lamp-pumped Nd:YAG laser near the boundaries of the stability zones of the laser resonator. An interpretation of these patterns is given in terms of off-axis modes, which can be excited owing to spherical aberrations and astigmatism of the thermal lens and thermally induced birefringence. Additional evidence of the off-axis character of the observed modes was obtained by analysis of the temporal behavior of the observed patterns.",

author = "Volodchenko, {Konstantin V.} and Kurdoglyan, {Michael S.} and Kim, {Chil Min} and Kim, {Gyu Ug}",

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AU - Kim, Gyu Ug

PY - 2004/8/20

Y1 - 2004/8/20

N2 - Unusual transverse patterns were observed in a cw-lamp-pumped Nd:YAG laser near the boundaries of the stability zones of the laser resonator. An interpretation of these patterns is given in terms of off-axis modes, which can be excited owing to spherical aberrations and astigmatism of the thermal lens and thermally induced birefringence. Additional evidence of the off-axis character of the observed modes was obtained by analysis of the temporal behavior of the observed patterns.

AB - Unusual transverse patterns were observed in a cw-lamp-pumped Nd:YAG laser near the boundaries of the stability zones of the laser resonator. An interpretation of these patterns is given in terms of off-axis modes, which can be excited owing to spherical aberrations and astigmatism of the thermal lens and thermally induced birefringence. Additional evidence of the off-axis character of the observed modes was obtained by analysis of the temporal behavior of the observed patterns.

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Observation and investigation of off-axis modes in a high-power Nd:YAG laser

Abstract

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