Abstract

Experiments on interferometers based on the second-harmonic generation of light from phase-matched crystals are described. This technique has potential applications for transmission tests of semiconductors and for contouring the surface of a three-dimensional object with fringes corresponding to wavelengths much larger than that of visible light.

© 1980 Optical Society of America

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References

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  1. F. Zernike, J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).
  2. K. Kato, IEEE J. Quantum Electron. QE-10, 616 (1974).
    [Crossref]
  3. T. Tsuruta et al., Jpn. J. Appl. Phys. 6, 661 (1967).
    [Crossref]
  4. For the sake of brevity, many of the data are not shown explicitly. The results are available on request.
  5. W. Koechner, Solid State Laser Engineering, Springer Series in Optical Sciences, D. L. MacAdam, ed. (Springer-Verlag, New York, 1976), Vol. 1, p. 514. BaNaNbO3 and LiNbO3 are NCPM materials at 1.06 μm, but there are difficulties in obtaining the former in good optical quality and the latter is subject to damage. In recent conversations, G. Stegeman has suggested that LiNbO3 may be suitable for this application, since the efficiency needed is low, little green light is generated, and it is the green light that causes the damage. Experiments on this are in progress.
  6. R. J. Collier et al., Optical Holography (Academic, New York, 1971), p. 423.
  7. B. P. Hildebrand, K. A. Haines, J. Opt. Soc. Am. 57, 155 (1967).
    [Crossref]

1974 (1)

K. Kato, IEEE J. Quantum Electron. QE-10, 616 (1974).
[Crossref]

1967 (2)

Collier, R. J.

R. J. Collier et al., Optical Holography (Academic, New York, 1971), p. 423.

Haines, K. A.

Hildebrand, B. P.

Kato, K.

K. Kato, IEEE J. Quantum Electron. QE-10, 616 (1974).
[Crossref]

Koechner, W.

W. Koechner, Solid State Laser Engineering, Springer Series in Optical Sciences, D. L. MacAdam, ed. (Springer-Verlag, New York, 1976), Vol. 1, p. 514. BaNaNbO3 and LiNbO3 are NCPM materials at 1.06 μm, but there are difficulties in obtaining the former in good optical quality and the latter is subject to damage. In recent conversations, G. Stegeman has suggested that LiNbO3 may be suitable for this application, since the efficiency needed is low, little green light is generated, and it is the green light that causes the damage. Experiments on this are in progress.

Midwinter, J. E.

F. Zernike, J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

Tsuruta, T.

T. Tsuruta et al., Jpn. J. Appl. Phys. 6, 661 (1967).
[Crossref]

Zernike, F.

F. Zernike, J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

IEEE J. Quantum Electron. (1)

K. Kato, IEEE J. Quantum Electron. QE-10, 616 (1974).
[Crossref]

J. Opt. Soc. Am. (1)

Jpn. J. Appl. Phys. (1)

T. Tsuruta et al., Jpn. J. Appl. Phys. 6, 661 (1967).
[Crossref]

Other (4)

For the sake of brevity, many of the data are not shown explicitly. The results are available on request.

W. Koechner, Solid State Laser Engineering, Springer Series in Optical Sciences, D. L. MacAdam, ed. (Springer-Verlag, New York, 1976), Vol. 1, p. 514. BaNaNbO3 and LiNbO3 are NCPM materials at 1.06 μm, but there are difficulties in obtaining the former in good optical quality and the latter is subject to damage. In recent conversations, G. Stegeman has suggested that LiNbO3 may be suitable for this application, since the efficiency needed is low, little green light is generated, and it is the green light that causes the damage. Experiments on this are in progress.

R. J. Collier et al., Optical Holography (Academic, New York, 1971), p. 423.

F. Zernike, J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

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Figures (2)

Fig. 1
Fig. 1

Schematic drawings of interferometers: (a) nonlinear Twyman–Green (NLTG), (b) nonlinear Fizeau (NLF).

Fig. 2
Fig. 2

NLTG interferograms of (a) object in the green channel, (b) object in the IR channel. NLF interferograms of (c) a spherical lens, (d) a cylindrical lens.

Equations (2)

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G Z = 8 π 2 d eff n λ IR IR 2 .
Z ( x , y ) = ( 2 m + 1 ) 4 λ G ( n G n IR ) ,

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