Abstract

The absolute sensitivity of two soft x-ray stream camera transmission photocathodes was measured at λ = 0.266 μm. The photocathodes were mounted in a Lawrence Livermore National Laboratory soft x-ray streak camera and were compared in sensitivity to a more conventional UV photocathode. Measurements were performed with a 30-psec 0.266-μm pulse from a frequency-quadrupled glass laser. The study revealed photocathode substrate transmission at 0.266 μm, minimum UV energy density requirements, temporal response, and an estimate of streak camera dynamic range for UV exposure.

© 1984 Optical Society of America

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References

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  1. S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).
  2. R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).
  3. G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.
  4. T. H. DiStefano, W. E. Spicer, Phys. Rev. B 7, 1554 (1973).
    [CrossRef]
  5. H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
    [CrossRef]
  6. “Parylene Pellicles for Space Applications,” Union Carbide Technology Letter No. 10 (Jan.1974).

1983 (2)

S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

1974 (1)

“Parylene Pellicles for Space Applications,” Union Carbide Technology Letter No. 10 (Jan.1974).

1973 (1)

T. H. DiStefano, W. E. Spicer, Phys. Rev. B 7, 1554 (1973).
[CrossRef]

1932 (1)

H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
[CrossRef]

Attwood, D. T.

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

DiStefano, T. H.

T. H. DiStefano, W. E. Spicer, Phys. Rev. B 7, 1554 (1973).
[CrossRef]

Gaines, D. P.

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

Henry, D. E.

H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
[CrossRef]

Houghton, J. W.

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

Letzring, S. A.

S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

Marjoribanks, R. S.

S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

Pierce, E. L.

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

Rentschler, H. C.

H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
[CrossRef]

Richardson, M. C.

S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

Smith, K. O.

H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
[CrossRef]

Spicer, W. E.

T. H. DiStefano, W. E. Spicer, Phys. Rev. B 7, 1554 (1973).
[CrossRef]

Stradling, G. L.

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

Fifteenth International Congress on High Speed Photography (2)

S. A. Letzring, R. S. Marjoribanks, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

R. S. Marjoribanks, S. A. Letzring, M. C. Richardson, in Fifteenth International Congress on High Speed Photography, Proc. Soc. Photo-Opt. Instrum. Eng. 348 (1983).

Phys. Rev. B (1)

T. H. DiStefano, W. E. Spicer, Phys. Rev. B 7, 1554 (1973).
[CrossRef]

Rev. Sci. Instrum. (1)

H. C. Rentschler, D. E. Henry, K. O. Smith, Rev. Sci. Instrum. 3, 794 (1932).
[CrossRef]

Union Carbide Technology Letter No. 10 (1)

“Parylene Pellicles for Space Applications,” Union Carbide Technology Letter No. 10 (Jan.1974).

Other (1)

G. L. Stradling, D. T. Attwood, J. W. Houghton, E. L. Pierce, D. P. Gaines, Lawrence Livermore National Laboratory Report UCRL-81334.

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Figures (6)

Fig. 1
Fig. 1

Lawrence Livermore National Laboratory Monojoule glass laser facility configured for a train of 30-psec 0.266-μm pulses spaced by 244 psec. The UV response of various photocathodes was studied in the soft x-ray camera.

Fig. 2
Fig. 2

Incident 0.266-μm beam contained Fresnel ring structure due to insufficient spatial filtering.

Fig. 3
Fig. 3

Magnified image of the 100-μm wide photocathode slit shows the carbon substrate evaporated by the laser radiation over a 2.7-mm length. The 1000-Å CsI overcoat remains freestanding.

Fig. 4
Fig. 4

Optical density of a 3000-Å carbon foil from λ = 0.240 μm to λ = 0.350 μm, measured on a Cary 14 spectrophotometer.

Fig. 5
Fig. 5

(a) Streaked 0.266-μm image recorded with a 300-Å gold-on-1000-Å-parylene photocathode. (b) Line-out of the streak photograph folded back through the film D-log E curve.

Fig. 6
Fig. 6

Calibration of sweep rate as a function of position on the SX-3 streak camera intensifier. This was generated from data such as that appearing in Fig. 6.

Tables (1)

Tables Icon

Table I Measured Sensitivities of Transmission Photocathodes at λ = 0.266 μm

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