Abstract

The stability time for making a hologram with a cw gas laser is reduced by using a method called scanned beam holography. This new technique reduces the time during which extreme mechanical stability must be maintained in a holographic system. An experiment showing a reduction in stability time by a factor of sixteen illustrates the procedure. In some cases the stability times can be reduced sufficiently such that the conventional stable platform can be eliminated. Thus, objects which cannot be mounted on a stable platform can be used for holography.

© 1970 Optical Society of America

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References

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  1. J. Landry, J. Opt. Soc. Amer. 56, 1133 (1966).
    [CrossRef]
  2. G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
    [CrossRef]
  3. R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
    [CrossRef]
  4. J. T. LaMacchia, C. J. Vincelette, Appl. Opt. 7, 1857 (1968).
    [CrossRef] [PubMed]

1968 (1)

1967 (1)

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

1966 (2)

R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
[CrossRef]

J. Landry, J. Opt. Soc. Amer. 56, 1133 (1966).
[CrossRef]

Brooks, R. E.

R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
[CrossRef]

Funkhouser, A.

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

Heflinger, L. O.

R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
[CrossRef]

Indebetouw, G.

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

LaMacchia, J. T.

Landry, J.

J. Landry, J. Opt. Soc. Amer. 56, 1133 (1966).
[CrossRef]

Leonard, C.

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

Stroke, G. W.

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

Vincelette, C. J.

Wuerker, R. F.

R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
[CrossRef]

Zech, R. G.

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

Appl. Opt. (1)

IEEE Trans. Quantum Electron. (1)

R. E. Brooks, L. O. Heflinger, R. F. Wuerker, IEEE Trans. Quantum Electron. 2, 275 (1966).
[CrossRef]

J. Opt. Soc. Amer. (2)

J. Landry, J. Opt. Soc. Amer. 56, 1133 (1966).
[CrossRef]

G. W. Stroke, A. Funkhouser, C. Leonard, G. Indebetouw, R. G. Zech, J. Opt. Soc. Amer. 57, 110 (1967).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

System for constructing conventional and scanned beam holograms. B, beam splitter; L2 and P, lens–pinhole spatial filter; L1 and M1, lens and mirror for object illumination; L3 and M2, lens and mirror for reference beam illumination of the film; O, object; F, film. Lens L3 can be repositioned to reduce the reference beam area and increase its intensity. Mirror M2 can be pivoted to reposition the intensified reference beam between successive exposures of the scanned beam hologram.

Fig. 2
Fig. 2

Hologram reconstruction. (a) Conventional hologram. (b) scanned beam hologram.

Fig. 3
Fig. 3

Sixteen-segment scanned beam hologram.

Equations (3)

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( | E r | 2 + | E 0 | 2 + E r * E 0 + E r E 0 * ) T ,
( | E r | 2 + | E 0 | 2 ) T
( | E r | 2 + | E 0 | 2 ) T + ( E r * E 0 + E r E r * ) T / ( M ) 1 2 .

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