Beam-quality studies of nanosecond singly resonant optical parametric oscillators

S.C. Lyons; G.-L. Oppo; W.J. Firth; J.R.M. Barr

doi:10.1109/3.842095

Beam-quality studies of nanosecond singly resonant optical parametric oscillators

S.C. Lyons, G.-L. Oppo, W.J. Firth, J.R.M. Barr

Physics

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

12 Citations (Scopus)

Abstract

A numerical model for a singly resonant, nondegenerate optical parametric oscillator, which includes diffraction and idler absorption, has been developed. This model requires just one equation for the resonated signal field to be numerically integrated, while the pump and idler fields are reconstructed from their analytic solutions and the dynamics of the signal field. Typical results from our simulations are, for example, output intensities and threshold fluencies, which can be compared with those obtained from experiments. Spatial beam quality of output beams produced by our model is evaluated via the M2 factor. We present results from the simulation which are consistent with experimental evidence, particularly in reference to the impact of idler absorption.

Original language	English
Pages (from-to)	541-549
Number of pages	9
Journal	IEEE J. Quantum Electron.
Volume	36
Issue number	5
DOIs	https://doi.org/10.1109/3.842095
Publication status	Published - 5 May 2000

Keywords

beam quality
idler absorption
optical parametric oscillators
resonance
nonlinear optics
ultrafast optics
optical pumping
signal analysis
numerical models

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10.1109/3.842095

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title = "Beam-quality studies of nanosecond singly resonant optical parametric oscillators",

abstract = "A numerical model for a singly resonant, nondegenerate optical parametric oscillator, which includes diffraction and idler absorption, has been developed. This model requires just one equation for the resonated signal field to be numerically integrated, while the pump and idler fields are reconstructed from their analytic solutions and the dynamics of the signal field. Typical results from our simulations are, for example, output intensities and threshold fluencies, which can be compared with those obtained from experiments. Spatial beam quality of output beams produced by our model is evaluated via the M2 factor. We present results from the simulation which are consistent with experimental evidence, particularly in reference to the impact of idler absorption.",

keywords = "beam quality, idler absorption, optical parametric oscillators, resonance, nonlinear optics, ultrafast optics, optical pumping, signal analysis, numerical models",

author = "S.C. Lyons and G.-L. Oppo and W.J. Firth and J.R.M. Barr",

note = "CODEN: IEJQA Correspondence Address: Lyons, S.C.; Dept. of Physics and Applied Physics, , Glasgow, United Kingdom Funding details: Engineering and Physical Sciences Research Council, EPSRC, GR/L 27916 Funding text 1: Manuscript received July 26, 1999; revised January 13, 2000. This work was supported by the U.K. EPSRC under Grant GR/L 27916, Pilkington Optronics, and an EPSRC CASE studentship with Pilkington Optronics. S. C. Lyons, G.-L. Oppo, and W. J. Firth are with the Department of Physics and Applied Physics, University of Strathclyde, Glasgow, U.K. J. R. M. Barr is with the Laser Development Group, Pilkington Optronics, Glasgow, U.K. Publisher Item Identifier S 0018-9197(00)03533-8. ",

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AU - Oppo, G.-L.

AU - Firth, W.J.

AU - Barr, J.R.M.

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Beam-quality studies of nanosecond singly resonant optical parametric oscillators

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