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32 W TEM00-Mode Side-Pumped Solar Laser Design

32 W TEM00-Mode Side-Pumped Solar Laser Design A compact side-pumped solar laser design is proposed to improve the TEM00-mode solar laser output performance substantially. A double-stage secondary concentrator was composed of a rectangular hollow pipe and a 2V-shaped dry pump cavity, which couples and redistributes the concentrated solar radiation from the focal zone of a 2 m diameter parabolic mirror into a grooved Nd:YAG rod. The solar laser performance was numerically optimized by both ZEMAX® and LASCADTM software. Maximum TEM00-mode solar laser power of 32 W was numerically calculated for a 4.5 mm diameter, 34 mm length grooved Nd:YAG rod, corresponding to 10.7 W/m2 collection efficiency. This value is 1.25 times more than the numerical record. Laser beam brightness figure of merit of 31.4 W was numerically attained, which is 1.84 times more than the numerical record. The proposed laser head scheme has a simple and compact design, as compared to previous schemes. Good TEM00-mode solar laser thermal performance was also numerically demonstrated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Solar Energy Springer Journals

32 W TEM00-Mode Side-Pumped Solar Laser Design

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References (44)

Publisher
Springer Journals
Copyright
Copyright © Allerton Press, Inc. 2020. ISSN 0003-701X, Applied Solar Energy, 2020, Vol. 56, No. 6, pp. 449–457. © Allerton Press, Inc., 2020. Russian Text © The Author(s), 2020, published in Geliotekhnika, 2020, No. 6, pp. 612–622.
ISSN
0003-701X
eISSN
1934-9424
DOI
10.3103/s0003701x20060122
Publisher site
See Article on Publisher Site

Abstract

A compact side-pumped solar laser design is proposed to improve the TEM00-mode solar laser output performance substantially. A double-stage secondary concentrator was composed of a rectangular hollow pipe and a 2V-shaped dry pump cavity, which couples and redistributes the concentrated solar radiation from the focal zone of a 2 m diameter parabolic mirror into a grooved Nd:YAG rod. The solar laser performance was numerically optimized by both ZEMAX® and LASCADTM software. Maximum TEM00-mode solar laser power of 32 W was numerically calculated for a 4.5 mm diameter, 34 mm length grooved Nd:YAG rod, corresponding to 10.7 W/m2 collection efficiency. This value is 1.25 times more than the numerical record. Laser beam brightness figure of merit of 31.4 W was numerically attained, which is 1.84 times more than the numerical record. The proposed laser head scheme has a simple and compact design, as compared to previous schemes. Good TEM00-mode solar laser thermal performance was also numerically demonstrated.

Journal

Applied Solar EnergySpringer Journals

Published: May 4, 2021

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