Abstract

An automated system for measuring the small-signal gain-vs-wavelength curves for organic laser dyes has been constructed. The system uses a measurement technique reported previously. The data are recorded on a digital recorder. The resulting gain-vs-wavelength curves are plotted on a microfilm plotter.

© 1973 Optical Society of America

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References

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  1. R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
    [CrossRef]
  2. W. T. Silfvast, J. S. Deech, Appl. Phys. Lett. 16, 97 (1967).
    [CrossRef]
  3. C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
    [CrossRef]
  4. We wish to thank the reviewer for pointing out a simple first-order correction term in p for the case when l/p is not negligible: if p ≫ l, α ≈ 2/p + (2/l) ln (I1/I1/2 − 1).
  5. Unpublished calculations, authors and reviewer.
  6. C. Lingel, “Digitally Measured Single-Pass Gains of Dye Lasers,” M.S. Thesis, MIT, 1972, Appendix A.
  7. A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
    [CrossRef]

1973 (2)

R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
[CrossRef]

A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
[CrossRef]

1970 (1)

C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
[CrossRef]

1967 (1)

W. T. Silfvast, J. S. Deech, Appl. Phys. Lett. 16, 97 (1967).
[CrossRef]

Deech, J. S.

W. T. Silfvast, J. S. Deech, Appl. Phys. Lett. 16, 97 (1967).
[CrossRef]

Dienes, A.

R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
[CrossRef]

A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
[CrossRef]

C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
[CrossRef]

Kohn, R. L.

R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
[CrossRef]

A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
[CrossRef]

Lingel, C.

C. Lingel, “Digitally Measured Single-Pass Gains of Dye Lasers,” M.S. Thesis, MIT, 1972, Appendix A.

Shank, C. V.

A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
[CrossRef]

R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
[CrossRef]

C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
[CrossRef]

Silfvast, W. T.

C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
[CrossRef]

W. T. Silfvast, J. S. Deech, Appl. Phys. Lett. 16, 97 (1967).
[CrossRef]

Appl. Phys. Lett. (2)

W. T. Silfvast, J. S. Deech, Appl. Phys. Lett. 16, 97 (1967).
[CrossRef]

C. V. Shank, A. Dienes, W. T. Silfvast, Appl. Phys. Lett. 17, 307 (1970).
[CrossRef]

IEEE J. Quantum Electron. (1)

A. Dienes, C. V. Shank, R. L. Kohn, IEEE J. Quantum Electron. QE-9, 833 (1973).
[CrossRef]

Opt. Commun. (1)

R. L. Kohn, C. V. Shank, A. Dienes, Opt. Commun. 7, 309 (1973).
[CrossRef]

Other (3)

We wish to thank the reviewer for pointing out a simple first-order correction term in p for the case when l/p is not negligible: if p ≫ l, α ≈ 2/p + (2/l) ln (I1/I1/2 − 1).

Unpublished calculations, authors and reviewer.

C. Lingel, “Digitally Measured Single-Pass Gains of Dye Lasers,” M.S. Thesis, MIT, 1972, Appendix A.

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Figures (3)

Fig. 1
Fig. 1

Experimental arrangement for gain measurements.

Fig. 2
Fig. 2

Block diagram of system. S/H IN refers to sample-and-hold inputs.

Fig. 3
Fig. 3

Plot of gain vs wavelength as produced using computer. The example here is of a 5 × 10−3M solution of 4-methylumbelliferone in acidified methanol. The solid curve is with 100% pump power; the dotted curve, with 50% pump power.

Equations (2)

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α λ = ( 2 / l ) ln [ ( I l / I l / 2 ) - 1 ] .
d t I l ( t ) / d t I l / 2 ( t ) = d t { [ exp α m l f ( t ) - 1 ] / f ( t ) } / d t × { [ exp α m l f ( t ) / 2 - 1 ] / f ( t ) } .

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