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References

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  1. R. Allison, J. Burns, and A. J. Tuzzolino, J. Opt. Soc. Am. 54, 747 (1964).
    [Crossref]
  2. F. S. Johnson, K. Watanabe, and R. Tousey, J. Opt. Soc. Am. 41, 702 (1951).
    [Crossref]
  3. The Spectra Brightness Spotmeter measures the brightness of a small spot from a remote location with a small acceptance angle, 1/4° in our instrument. The instrument was supplied by the Photo Research Corporation, 837 N. Cahuenga Blvd., Hollywood 38, California.
  4. A. Bril, Luminescence of Organic and Inorganic Materials (John Wiley & Sons, Inc., New York, 1962), p. 479.

1964 (1)

1951 (1)

J. Opt. Soc. Am. (2)

Other (2)

The Spectra Brightness Spotmeter measures the brightness of a small spot from a remote location with a small acceptance angle, 1/4° in our instrument. The instrument was supplied by the Photo Research Corporation, 837 N. Cahuenga Blvd., Hollywood 38, California.

A. Bril, Luminescence of Organic and Inorganic Materials (John Wiley & Sons, Inc., New York, 1962), p. 479.

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Figures (3)

Fig. 1
Fig. 1

Sodium salicylate converter for efficiency measurements.

Fig. 2
Fig. 2

Photon flux at P from Lambertian emitter S.

Fig. 3
Fig. 3

Internal reflection effect in the quartz substrate.

Equations (6)

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ϕ 0 = photon flux emitted at S ϕ = photon flux incident at P .
d ϕ = ϕ 0 2 π b ( cos θ ) d b 2 π r 2 = ϕ 0 [ a b d b ( a 2 + b 2 ) 1 2 ] ,
ϕ = ϕ 0 { 1 - [ a / ( a 2 + b 2 ) 1 2 ] } .
ϕ = 0.96 ϕ 0             when             b = 2.5 cm .
L.E. = 681 y ω d λ / ω d λ ,
E = B A 19.4 ( V a - V d ) i · 4250 λ uv ,