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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 12 — Jun. 13, 2005
  • pp: 4607–4610

High-efficiency RF signal coupled to a CO2 waveguide slab laser

R. Villagómez and R. López  »View Author Affiliations


Optics Express, Vol. 13, Issue 12, pp. 4607-4610 (2005)
http://dx.doi.org/10.1364/OPEX.13.004607


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Abstract

We demonstrate experimentally that a self-sustained radio frequency (RF) signal delivered from our most-compact RF circuit generator is efficiently integrated into a CO2 waveguide laser slab, impedance-matched electrode. The whole circuit uses a common source MOSFET transistor that will be modified for self-sustained oscillations terminated at 50Ω. RF power is directly integrated into the laser resonant cavity of the laser ceramic-metal slab (the electrode). Measurement showed the power efficiency of the oscillator circuit to be more than 70%, and the overall electrical-to-optical power efficiency conversion was larger than the standard 10%.

© 2005 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(230.7400) Optical devices : Waveguides, slab

ToC Category:
Research Papers

History
Original Manuscript: April 25, 2005
Revised Manuscript: June 1, 2005
Published: June 13, 2005

Citation
R. Villagómez and R. López, "High-efficiency RF signal coupled to a CO2 waveguide slab laser," Opt. Express 13, 4607-4610 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-12-4607


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References

  1. A. Lapucci, F. Rossetti, M. Ciofini, and G. Orlando, �??On the longitudinal voltage distribution in radio-frequency-discharged CO2 lasers with large-area electrodes,�?? IEEE J. Quantum Electron. 54, 1537�??1541 (1995). [CrossRef]
  2. J. D. Strohschein, W. D. Bilida, H. J. J. Seguin, and C. E. Capjack, �??Computational model of longitudinal discharge uniformity in RF-excited CO2 slab lasers,�?? IEEE J. Quantum Electron. 32, 1289�??1298 (1996). [CrossRef]
  3. G. Spindler, �??Two-dimensional computational model of discharge uniformity in radio-frequency-excited CO2 slab lasers with high aspect ratio electrodes,�?? IEEE J. Quantum Electron. 39, 343�??349 (2003). [CrossRef]
  4. D. He and D. R. Hall, �??Frequency dependence in RF discharge excited waveguide CO2 lasers,�?? IEEE J. Quantum Electron. 54, 1537�??1541 (1995).

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