Abstract

Spectral distributions over the range 0.35 to 1.1 μ were measured for representative pulsed and continuous-burning xenon arc lamps. Optical conversion efficiencies were computed for several spectral regions. Measurements were taken at different current densities ranging from 37 A/cm2 for the dc lamps to 5300 A/cm2 for the pulsed. Color and brightness temperatures ranged from 5000°K to 40 000°K. At high current densities the xenon arc has a higher efficiency (up to 65%) and a continuum which masks its line structure.

© 1966 Optical Society of America

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References

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  1. Deane B. Judd and et al., J. Opt. Soc. Am. 54, 1031 (1964).
    [Crossref]
  2. W. H. Parkinson and E. M. Reeves, Proc. Roy. Soc. (London) 262A, 409 (1961).
  3. W. J. Tomlinson, J. Opt. Soc. Am. 52, 339 (1962).
    [Crossref]
  4. EG&G model 585 spectroradiometer.
  5. R. Stair, W. Schneider, and J. K. Jackson, Appl. Opt. 2, 1151 (1963).
    [Crossref]
  6. Parry H. Moon, The Scientific Basis of Illuminating Engineering (Dover Publications, Inc., New York, 1961), p. 229.
  7. Moon gives total flux P=π2Imax. The above equation follows since d2H(λ)=Imax.
  8. Arthur C. Hardy, Handbook of Colorimetry (The Technology Press, Cambridge, Mass., 1936), 1959 ed.

1964 (1)

1963 (1)

1962 (1)

1961 (1)

W. H. Parkinson and E. M. Reeves, Proc. Roy. Soc. (London) 262A, 409 (1961).

Hardy, Arthur C.

Arthur C. Hardy, Handbook of Colorimetry (The Technology Press, Cambridge, Mass., 1936), 1959 ed.

Jackson, J. K.

Judd, Deane B.

Moon, Parry H.

Parry H. Moon, The Scientific Basis of Illuminating Engineering (Dover Publications, Inc., New York, 1961), p. 229.

Parkinson, W. H.

W. H. Parkinson and E. M. Reeves, Proc. Roy. Soc. (London) 262A, 409 (1961).

Reeves, E. M.

W. H. Parkinson and E. M. Reeves, Proc. Roy. Soc. (London) 262A, 409 (1961).

Schneider, W.

Stair, R.

Tomlinson, W. J.

Appl. Opt. (1)

J. Opt. Soc. Am. (2)

Proc. Roy. Soc. (London) (1)

W. H. Parkinson and E. M. Reeves, Proc. Roy. Soc. (London) 262A, 409 (1961).

Other (4)

EG&G model 585 spectroradiometer.

Parry H. Moon, The Scientific Basis of Illuminating Engineering (Dover Publications, Inc., New York, 1961), p. 229.

Moon gives total flux P=π2Imax. The above equation follows since d2H(λ)=Imax.

Arthur C. Hardy, Handbook of Colorimetry (The Technology Press, Cambridge, Mass., 1936), 1959 ed.

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Figures (9)

Fig. 1
Fig. 1

Test arrangement sketch. G—grating; S—entrance slit; L—lens; W—diffusing window; A—aperture; M—mirror; AB—aberration correcting lens; E—exit slit; P—planar vacuum photodiode; LA—lamp; D—distance large compared to lamp dimensions.

Fig. 2
Fig. 2

Examples of tubes similar to those evaluated.

Fig. 3
Fig. 3

Spectral emission, experimental dc lamp (1.7-atm Xe; 37 A/cm2), see also Table I. Spectral bandwidth equal to 10 mμ.

Fig. 4
Fig. 4

Spectral emission, experimental dc lamp (1.7-atm Ar; 37 A/cm2), see also Table I. Spectral bandwidth equal to 10 mμ.

Fig. 5
Fig. 5

Spectral emission, experimental dc lamp (0.71-atm Xe, 0.41-atm Ar; 47 A/cm2), see also Table I. Spectral bandwidth equal to 10 mμ.

Fig. 6
Fig. 6

Spectral emission, FX-76 unconfined arc flashtube (0.71-atm Xe, 0.12 atm H2; 2500 A, peak), see also Table I. Spectral bandwidth equal to 10 mμ.

Fig. 7
Fig. 7

Spectral emission, FX-79 helical flashtube (0.26-atm Xe; 2870 A/cm2, peak), see also Table I. Spectral bandwidth equal to 10 mμ. Broken line is relative spectral emission of a blackbody at 7100°K.

Fig. 8
Fig. 8

Spectral emission, FX-47A flashtube at two current densities (0.4-atm Xe; 1700 and 5300 A/cm2), see also Table I. Spectral bandwidth equal to 10 mμ. Coarse broken lines are relative spectral emission of blackbodies at 7000° and 9400°K. Fine broken lines represent measurements made in the ultraviolet and are not as accurate as those made in the visible and infrared.

Fig. 9
Fig. 9

CIE chromaticity diagram showing lamp color points. See also Table I.

Tables (1)

Tables Icon

Table I Physical and electrical parameters for all lamps.

Equations (1)

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P ( λ ) = s H ( λ ) d S = 4 π d 2 H ( λ ) for an isotropic source 6 = π 2 d 2 H ( λ ) for a line source ,