Abstract

We report here the operation of a UV pre-ionised mini-TEA CO2 laser where the use of an external switch has been dispensed with. This was rendered possible by making the preioniser spark array play a dual role- that of a switch as well as of a source of UV photons that pre-conditioned the inter-electrode volume.

© 2005 Optical Society of America

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References

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  1. H. Tanaka, H. Hatanaka, and M. Obara, �??High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers,�?? Rev. Sci. Instrum. 61, 2092-2096 (1990).
    [CrossRef]
  2. A. Sylvan, P. K. Bhadani, and R. G. Harrison, �??A photoswitched small TEA CO2 laser,�?? Meas. Sci. Technol. 3, 200-203 (1992).
    [CrossRef]
  3. K. Jayaram and A. J. Alcock, �??X-ray initiated high pressure glow discharges,�?? Appl. Phys. Lett. 46, 636- 638 (1985).
    [CrossRef]
  4. V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, �??A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser,�?? Inf. Phys. Technol. 44, 69-73 (2003).
    [CrossRef]
  5. M. Kumar, P. Choudhary, K. Rama Rao, L. B. Rana, C. P. Paul and A. K. Nath, �??Development of a high repetition rate TEA CO2 laser,�?? presented at the National Laser Symposium, Indore, India, 6-8 Feb. 1997.

Appl. Phys. Lett.

K. Jayaram and A. J. Alcock, �??X-ray initiated high pressure glow discharges,�?? Appl. Phys. Lett. 46, 636- 638 (1985).
[CrossRef]

Inf. Phys. Technol.

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, �??A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser,�?? Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

Meas. Sci. Technol.

A. Sylvan, P. K. Bhadani, and R. G. Harrison, �??A photoswitched small TEA CO2 laser,�?? Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

Rev. Sci. Instrum.

H. Tanaka, H. Hatanaka, and M. Obara, �??High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers,�?? Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

Other

M. Kumar, P. Choudhary, K. Rama Rao, L. B. Rana, C. P. Paul and A. K. Nath, �??Development of a high repetition rate TEA CO2 laser,�?? presented at the National Laser Symposium, Indore, India, 6-8 Feb. 1997.

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Figures (2)

Fig. 1.
Fig. 1.

The configuration of the spark array cum switch

Fig. 2.
Fig. 2.

The laser head, the spark array cum switch and the pulser circuit.

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