Average-power limitations of large-aperture self-heated Ca+ afterglow-recombination lasers

C. E. Little; J. A. Piper

doi:10.1016/0030-4018(88)90400-2

Average-power limitations of large-aperture self-heated Ca⁺ afterglow-recombination lasers

C. E. Little^*, J. A. Piper

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

Operating characteristics of a self-heated longitudinally excited Ca⁺ afterglow-recombination laser (λ=373.7 nm) of large bore (25 mm, active volume 160 cm^-3) are described for both constant pulse repetition frequency (prf) and burst-mode operation. Laser pulse energies of up to 1.2 mJ are obtained, which correspond to specific output energies of up to 7 μJ cm^-3. Optimum prf for maximum average laser power is reduced compared to small-bore devices, and decreases for increasing buffer-gas (He) pressure. Maximum average power observed was 0.37 W at 365 Hz. Limitations to average-power scaling are attributed to the onset of radial effects.

Original language	English
Pages (from-to)	282-286
Number of pages	5
Journal	Optics Communications
Volume	68
Issue number	4
DOIs	https://doi.org/10.1016/0030-4018(88)90400-2
Publication status	Published - 15 Oct 1988

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title = "Average-power limitations of large-aperture self-heated Ca+ afterglow-recombination lasers",

abstract = "Operating characteristics of a self-heated longitudinally excited Ca+ afterglow-recombination laser (λ=373.7 nm) of large bore (25 mm, active volume 160 cm-3) are described for both constant pulse repetition frequency (prf) and burst-mode operation. Laser pulse energies of up to 1.2 mJ are obtained, which correspond to specific output energies of up to 7 μJ cm-3. Optimum prf for maximum average laser power is reduced compared to small-bore devices, and decreases for increasing buffer-gas (He) pressure. Maximum average power observed was 0.37 W at 365 Hz. Limitations to average-power scaling are attributed to the onset of radial effects.",

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T1 - Average-power limitations of large-aperture self-heated Ca+ afterglow-recombination lasers

AU - Little, C. E.

AU - Piper, J. A.

PY - 1988/10/15

Y1 - 1988/10/15

N2 - Operating characteristics of a self-heated longitudinally excited Ca+ afterglow-recombination laser (λ=373.7 nm) of large bore (25 mm, active volume 160 cm-3) are described for both constant pulse repetition frequency (prf) and burst-mode operation. Laser pulse energies of up to 1.2 mJ are obtained, which correspond to specific output energies of up to 7 μJ cm-3. Optimum prf for maximum average laser power is reduced compared to small-bore devices, and decreases for increasing buffer-gas (He) pressure. Maximum average power observed was 0.37 W at 365 Hz. Limitations to average-power scaling are attributed to the onset of radial effects.

AB - Operating characteristics of a self-heated longitudinally excited Ca+ afterglow-recombination laser (λ=373.7 nm) of large bore (25 mm, active volume 160 cm-3) are described for both constant pulse repetition frequency (prf) and burst-mode operation. Laser pulse energies of up to 1.2 mJ are obtained, which correspond to specific output energies of up to 7 μJ cm-3. Optimum prf for maximum average laser power is reduced compared to small-bore devices, and decreases for increasing buffer-gas (He) pressure. Maximum average power observed was 0.37 W at 365 Hz. Limitations to average-power scaling are attributed to the onset of radial effects.

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JO - Optics Communications

JF - Optics Communications

IS - 4

ER -

Average-power limitations of large-aperture self-heated Ca⁺ afterglow-recombination lasers

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