Abstract

Most methods for testing the linearity of detectors use steps which are small compared with the total linear range of the detector. The uncertainties of each small step accumulate if large flux ratios are considered. For testing the linearity of Si photodiodes for large flux ratios, such a ratio was generated by reflecting a laser beam at two fused quartz surfaces. The ratio between the twice reflected and the incident flux was calculated from the refractive index. Measurements on one Si photodiode are reported.

© 1982 Optical Society of America

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References

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  1. W. Budde, Appl. Opt. 18, 1555 (1979).
    [CrossRef] [PubMed]
  2. I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.
  3. W. Erb, Die Farbe 20, 179 (1971).
  4. B. A. J. Clark, J. Phys. E 1, 1246 (1968).
    [CrossRef]
  5. W. Budde, C. X. Dodd, J. Coatings Technol. 52, No. 665, 44 (1980).
  6. W. Budde, Metrologia 16, 89 (1980).
    [CrossRef]

1980

W. Budde, C. X. Dodd, J. Coatings Technol. 52, No. 665, 44 (1980).

W. Budde, Metrologia 16, 89 (1980).
[CrossRef]

1979

1971

W. Erb, Die Farbe 20, 179 (1971).

1968

B. A. J. Clark, J. Phys. E 1, 1246 (1968).
[CrossRef]

Bischoff, K.

I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.

Budde, W.

W. Budde, Metrologia 16, 89 (1980).
[CrossRef]

W. Budde, C. X. Dodd, J. Coatings Technol. 52, No. 665, 44 (1980).

W. Budde, Appl. Opt. 18, 1555 (1979).
[CrossRef] [PubMed]

Clark, B. A. J.

B. A. J. Clark, J. Phys. E 1, 1246 (1968).
[CrossRef]

Dodd, C. X.

W. Budde, C. X. Dodd, J. Coatings Technol. 52, No. 665, 44 (1980).

Erb, W.

W. Erb, Die Farbe 20, 179 (1971).

I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.

Hahn, D.

I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.

Kunz, H.

I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.

Appl. Opt.

Die Farbe

W. Erb, Die Farbe 20, 179 (1971).

J. Coatings Technol.

W. Budde, C. X. Dodd, J. Coatings Technol. 52, No. 665, 44 (1980).

J. Phys. E

B. A. J. Clark, J. Phys. E 1, 1246 (1968).
[CrossRef]

Metrologia

W. Budde, Metrologia 16, 89 (1980).
[CrossRef]

Other

I am very grateful for stimulating discussions with K. Bischoff, W. Erb, D. Hahn, H. Kunz of the PTB, Braunschweig, FRG who issued the challenge in the spirit of friendly competition.

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Figures (1)

Fig. 1
Fig. 1

Instrumentation for the measurement of a large flux ratio. The detector with the integrating sphere can move into the direct (= incident) beam or into the beam reflected by the two quartz surfaces.

Tables (2)

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Table I Typical Set of Large-Flux-Ratio Measurement

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Table II Results of Ten Experiments Over a Period of ~10 Days

Equations (1)

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F = I ( R f = 10 5 ) I ( R f = 10 6 ) = 0.100664 ± 0.000013 ,

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