Abstract

Measurements of the visible radiation emitted by one dimensional, explosively generated, shock waves in argon initially at 1 atm are reported. A time-resolved spectrograph and calibrated photodetectors were used to measure the intensity of the source at 5450 Å and 4050 Å. The results show that explosive induced shock waves in argon having shock velocities in the range 8–9 mm/μsec radiate at these wavelengths like a blackbody having a temperature of approximately 23,000°K.

© 1967 Optical Society of America

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References

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  1. J. W. Bond, Phys. Rev. 105, 1683 (1957).
    [CrossRef]
  2. O. Laporte, T. D. Wilkenson, J. Opt. Soc. Am. 50, 1293 (1960).
    [CrossRef]
  3. B. J. Pernick, Ph.D. Thesis, Stevens Institute of Technology (1965).
  4. J. Roth, J. Appl. Phys. 35, 1429 (1964).
    [CrossRef]
  5. W. G. Vulliet, J. Quant. Spectry. Radiative Transfer 4, 839 (1964).
    [CrossRef]
  6. R. L. Conger, L. T. Long, J. A. Parks, J. H. Johnson, Appl. Opt. 4, 273 (1965).
    [CrossRef]
  7. N. C. Anderholm, Bull. Am. Phys. Soc. 11, 452 (1966).

1966

N. C. Anderholm, Bull. Am. Phys. Soc. 11, 452 (1966).

1965

1964

J. Roth, J. Appl. Phys. 35, 1429 (1964).
[CrossRef]

W. G. Vulliet, J. Quant. Spectry. Radiative Transfer 4, 839 (1964).
[CrossRef]

1960

1957

J. W. Bond, Phys. Rev. 105, 1683 (1957).
[CrossRef]

Anderholm, N. C.

N. C. Anderholm, Bull. Am. Phys. Soc. 11, 452 (1966).

Bond, J. W.

J. W. Bond, Phys. Rev. 105, 1683 (1957).
[CrossRef]

Conger, R. L.

Johnson, J. H.

Laporte, O.

Long, L. T.

Parks, J. A.

Pernick, B. J.

B. J. Pernick, Ph.D. Thesis, Stevens Institute of Technology (1965).

Roth, J.

J. Roth, J. Appl. Phys. 35, 1429 (1964).
[CrossRef]

Vulliet, W. G.

W. G. Vulliet, J. Quant. Spectry. Radiative Transfer 4, 839 (1964).
[CrossRef]

Wilkenson, T. D.

Appl. Opt.

Bull. Am. Phys. Soc.

N. C. Anderholm, Bull. Am. Phys. Soc. 11, 452 (1966).

J. Appl. Phys.

J. Roth, J. Appl. Phys. 35, 1429 (1964).
[CrossRef]

J. Opt. Soc. Am.

J. Quant. Spectry. Radiative Transfer

W. G. Vulliet, J. Quant. Spectry. Radiative Transfer 4, 839 (1964).
[CrossRef]

Phys. Rev.

J. W. Bond, Phys. Rev. 105, 1683 (1957).
[CrossRef]

Other

B. J. Pernick, Ph.D. Thesis, Stevens Institute of Technology (1965).

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Figures (4)

Fig. 1
Fig. 1

Charge used for measuring properties of radiation from shock waves in argon.

Fig. 2
Fig. 2

Experimental apparatus.

Fig. 3
Fig. 3

Typical film record from time-resolved spectrograph, writing rate is 2.8 (mm/μsec).

Fig. 4
Fig. 4

Typical oscilloscope record of photodetector signals, sweep rate is 10 μsec/cm.

Tables (2)

Tables Icon

Table I Results from Photodetector Records

Tables Icon

Table II Apparent Cooling of Source Observed from Photodetectors During One Dimensional Shock Motiona

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