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  • Vol. 17, Iss. 14 — Jul. 15, 1992
  • pp: 1000–1002

Efficient TEM00-mode operation of a Nd:YAG laser end pumped by a three-bar high-power diode-laser array

Horacio R. Verdún and Ti Chuang  »View Author Affiliations


Optics Letters, Vol. 17, Issue 14, pp. 1000-1002 (1992)
http://dx.doi.org/10.1364/OL.17.001000


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Abstract

We demonstrate an efficient Nd:YAG laser end pumped by a high-power (135-W peak power) three-bar diode-laser array. We have achieved an unpolarized TEM00-mode output energy of 6.7 mJ/pulse for a 27-mJ pump pulse. The optical-to-optical slope efficiency of the energy impinging upon the laser rod is 38% for round-trip losses of 2.4% and a 5% transmissive output coupler. The attainable multimode output energy is 8.4 mJ/pulse. We have also designed and constructed an optics module that efficiently concentrates the pumping radiation in the resonator mode region. This optics is a key component for this laser.

© 1992 Optical Society of America

History
Original Manuscript: March 4, 1992
Published: July 15, 1992

Citation
Horacio R. Verdún and Ti Chuang, "Efficient TEM00-mode operation of a Nd:YAG laser end pumped by a three-bar high-power diode-laser array," Opt. Lett. 17, 1000-1002 (1992)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-17-14-1000


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References

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  10. Using two reflective thin-film polarizers inserted into the same cavity, we obtained a slope efficiency of 29.2% and an external optical-to-optical conversion efficiency of 18.5%.

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