Conference on Lasers and Electro-Optics

Initial Behavior of the Relaxation Oscillation at Zero-Phonon Line of Yb Gain Media

Yoichi Sato, Takunori Taira

Published Jan 1, 2016• 2 citations

Abstract

Authors investigated the variation of the spiking interval during the start of the relaxation oscillation at the zero-phonon line in Yb-gain media, and proposed a novel procedure for evaluating effective spectroscopic parameters of gain media.

DOI: 10.1364/cleo_at.2016.jtu5a.33

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Conference on Lasers and Electro-Optics

Initial Behavior of the Relaxation Oscillation at Zero-Phonon Line of Yb Gain Media

Yoichi Sato, Takunori Taira

Published Jan 1, 2016• 2 citations

Publisher

Abstract

DOI: 10.1364/cleo_at.2016.jtu5a.33

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Yoichi Sato, Takunori Taira

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李密 Li Mi, 尚建力 Shang Jianli, Tangjian Zhou +4 more

Acta Optica SinicaJan 1, 20191 citation

Effect of anharmonicity of crystal oscillations on the width of a zero-phonon line for a laser field of arbitrary intensity

Anatoly I. Ivanov, Valentina A. Mikhailova

Optics and SpectroscopyFeb 1, 19920 citations

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A. P. Saǐko, V. S. Kuz’min

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Spectral Properties of a Single-Mode Ruby Laser: Evidence of Homogeneous Broadening of the Zero-Phonon Lines in Solids

Carson L. Tang, H. Statz, G. A. deMars +1 more

According to several recent studies, the width of the sharp zero-phonon lines in the electronic spectra of impurities in solids, such as the $R$ lines of ruby, is due to Raman scattering of phonons by the impurity ions. The question whether such zero-phonon lines are homogeneously broadened is an important one, both for its own interest and for optical-maser applications. From a detailed study of the stimulated-emission spectra of a ruby laser operating in the traveling-wave modes, we obtain conclusive evidence that such zero-phonon lines are homogeneously broadened. Because the ${R}_{1}$ line of ruby is essentially homogeneously broadened at room temperature, the traveling-wave laser oscillates for all practical purposes only in a single mode. The spectral width of the laser emission is extremely sharp. It is less than 0.005 ${\mathrm{cm}}^{\ensuremath{-}1}$ at room temperature as compared to a width of the order of 1 ${\mathrm{cm}}^{\ensuremath{-}1}$ for conventional ruby lasers of comparable intensity. In addition, the output intensity no longer shows random spikes but shows a predictable train of regularly spaced spikes which agree well with theory.According to several recent studies, the width of the sharp zero-phonon lines in the electronic spectra of impurities in solids, such as the $R$ lines of ruby, is due to Raman scattering of phonons by the impurity ions. The question whether such zero-phonon lines are homogeneously broadened is an important one, both for its own interest and for optical-maser applications. From a detailed study of the stimulated-emission spectra of a ruby laser operating in the traveling-wave modes, we obtain conclusive evidence that such zero-phonon lines are homogeneously broadened. Because the ${R}_{1}$ line of ruby is essentially homogeneously broadened at room temperature, the traveling-wave laser oscillates for all practical purposes only in a single mode. The spectral width of the laser emission is extremely sharp. It is less than 0.005 ${\mathrm{cm}}^{\ensuremath{-}1}$ at room temperature as compared to a width of the order of 1 ${\mathrm{cm}}^{\ensuremath{-}1}$ for conventional ruby lasers of comparable intensity. In addition, the output intensity no longer shows random spikes but shows a predictable train of regularly spaced spikes which agree well with theory.

Physical ReviewOct 5, 196453 citations

According to several recent studies, the width of the sharp zero-phonon lines in the electronic spectra of impurities in solids, such as the

R

lines of ruby, is due to Raman scattering of phonons by the impurity ions. The question whether such zero-phonon lines are homogeneously broadened is an important one, both for its own interest and for optical-maser applications. From a detailed study of the stimulated-emission spectra of a ruby laser operating in the traveling-wave modes, we obtain conclusive evidence that such zero-phonon lines are homogeneously broadened. Because the

{R}_{1}

line of ruby is essentially homogeneously broadened at room temperature, the traveling-wave laser oscillates for all practical purposes only in a single mode. The spectral width of the laser emission is extremely sharp. It is less than 0.005 ${\mathrm{cm}}^{\ensuremath{-}1}$ at room temperature as compared to a width of the order of 1 ${\mathrm{cm}}^{\ensuremath{-}1}$ for conventional ruby lasers of comparable intensity. In addition, the output intensity no longer shows random spikes but shows a predictable train of regularly spaced spikes which agree well with theory.