Abstract

The rapidly growing use of the laser in experimental work has created a need for accurately recording the laser power density for comparison and duplication purposes. This paper presents a straightforward procedure for measuring the focused Gaussian beam diameter.

© 1983 Optical Society of America

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References

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  1. J. F. Gibbons, L. D. Hess, T. W. Sigmon, Laser and Electron Beam Solid Interactions and Material Processing (North-Holland, New York, 1981).
  2. R. J. von Gutfeld, in Technical Digest, Conference on Lasers and Electrooptic Systems (Optical Society of America, Washington, D.C., 1982), paper WE1.
  3. M. Mauck, Appl. Opt. 18, 599 (1979).
    [CrossRef] [PubMed]
  4. Y. Suzaki, A. Tachibana, Appl. Opt. 14, 2809 (1975).
    [CrossRef] [PubMed]
  5. J. A. Arnaud, W. M. Hubbard, G. D. Mandeville, D. de la Claviere, E. A. Franke, J. M. Franke, Appl. Opt. 10, 2775 (1971).
    [CrossRef] [PubMed]
  6. H. M. Haskal, A. N. Rosen, Appl. Opt. 10, 1354 (1971).
    [CrossRef] [PubMed]

1979

1975

1971

Arnaud, J. A.

de la Claviere, D.

Franke, E. A.

Franke, J. M.

Gibbons, J. F.

J. F. Gibbons, L. D. Hess, T. W. Sigmon, Laser and Electron Beam Solid Interactions and Material Processing (North-Holland, New York, 1981).

Haskal, H. M.

Hess, L. D.

J. F. Gibbons, L. D. Hess, T. W. Sigmon, Laser and Electron Beam Solid Interactions and Material Processing (North-Holland, New York, 1981).

Hubbard, W. M.

Mandeville, G. D.

Mauck, M.

Rosen, A. N.

Sigmon, T. W.

J. F. Gibbons, L. D. Hess, T. W. Sigmon, Laser and Electron Beam Solid Interactions and Material Processing (North-Holland, New York, 1981).

Suzaki, Y.

Tachibana, A.

von Gutfeld, R. J.

R. J. von Gutfeld, in Technical Digest, Conference on Lasers and Electrooptic Systems (Optical Society of America, Washington, D.C., 1982), paper WE1.

Appl. Opt.

Other

J. F. Gibbons, L. D. Hess, T. W. Sigmon, Laser and Electron Beam Solid Interactions and Material Processing (North-Holland, New York, 1981).

R. J. von Gutfeld, in Technical Digest, Conference on Lasers and Electrooptic Systems (Optical Society of America, Washington, D.C., 1982), paper WE1.

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Figures (2)

Fig. 1
Fig. 1

Burn spot diameter vs laser power.

Fig. 2
Fig. 2

Focused Gaussian beam.

Tables (1)

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Table I Parameters

Equations (3)

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D 2 = ( D 0 2 / 2 ) ln ( P a / P t h ) ,
D o = ( 4 / π ) [ λ / ( N . A . ) ] ,
N . A . = d / ( 2 f ) .

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