Abstract

The method of recording data in a volume memory determines the spatial frequency content. We use a three-dimensional transfer function approach to show that this has serious implications for the choice of readout system. In particular, one cannot use a reflection confocal system to read a photopolymer-based memory. A solution to this problem is proposed.

© 1996 Optical Society of America

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References

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  1. H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).
  2. S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).
  3. T. Wilson, ed., Confocal Microscopy (Academic, London, 1990).
  4. N. Streibl, J. Opt. Soc. Am. A 2, 121 (1985).
    [CrossRef]
  5. C. J. R. Sheppard, M. Gu, J. Microsc. 165, 377 (1991).
    [CrossRef]
  6. W. S. Colborn, K. A. Haines, Appl. Opt. 10, 1636 (1971).
    [CrossRef]
  7. S. Hell, “Doppelkonfokales rasterkroskope,”European patent application91121368.4 (December18, 1990).

1993

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

1991

C. J. R. Sheppard, M. Gu, J. Microsc. 165, 377 (1991).
[CrossRef]

H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).

1985

1971

Colborn, W. S.

Gu, M.

C. J. R. Sheppard, M. Gu, J. Microsc. 165, 377 (1991).
[CrossRef]

Haines, K. A.

Hashimoto, Y.

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

Hell, S.

S. Hell, “Doppelkonfokales rasterkroskope,”European patent application91121368.4 (December18, 1990).

Ichihasi, T.

H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).

Kawata, S.

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

Kawata, Y.

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

Nagata, A.

H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).

Sheppard, C. J. R.

C. J. R. Sheppard, M. Gu, J. Microsc. 165, 377 (1991).
[CrossRef]

Streibl, N.

Tanaka, T.

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

Tanigaura, H.

H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).

Appl. Opt.

J. Jpn. Opt. Soc.

H. Tanigaura, T. Ichihasi, A. Nagata, J. Jpn. Opt. Soc. 20, 227 (1991).

J. Microsc.

C. J. R. Sheppard, M. Gu, J. Microsc. 165, 377 (1991).
[CrossRef]

J. Opt. Soc. Am. A

Proc. SPIE

S. Kawata, T. Tanaka, Y. Hashimoto, Y. Kawata, Proc. SPIE 2042, 314 (1993).

Other

T. Wilson, ed., Confocal Microscopy (Academic, London, 1990).

S. Hell, “Doppelkonfokales rasterkroskope,”European patent application91121368.4 (December18, 1990).

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Figures (3)

Fig. 1
Fig. 1

Region of support for the transfer function C(m) for (a) a reflection geometry and (b) a transmission geometry confocal microscope.

Fig. 2
Fig. 2

Variation of reading numerical aperture NAR with writing numerical aperture NAW for a variety of wavelength ratios λR/λW for the cases when (a) nW = 1.5 and nR = 1.0 and (b) nW = 1.0 and nR = 1.0.

Fig. 3
Fig. 3

Region of support for the object spectrum O(m) when the data are written from both sides of the object.

Equations (4)

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I ( r ) = | C ( m ) O ( m ) exp ( 2 π j m .   r ) d m | 2 ,
C ( m ) = F 3 [ h 2 ( r , z ) ] ,
C ( m ) = F 3 [ h ( r , z ) h ( r , z ) ] = F 3 [ | h | 2 ] .
O ( m ) = F 3 [ | h w ( r , z ) + h w ( r , z ) | 2 ] .

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