Abstract

The real part of the refractive index of the optical cements, Eastman Kodak, HE-79; Lensbond, M-62; Epotek, 301 and 310; and Loctites, 307, IS-06, IS-04E, IS-12 (the latter three are Super Bonders), have been measured. The values are reported in most part over the 1–5-μm wavelength range. The samples were measured in a setting to which they are subjected in normal optical use. The technique used to obtain the values in this manner was an Abbé ir refractometer. The composite range in indices is from 1.46 to 1.54. The precision of the instrument and the accuracy of the data are discussed.

© 1978 Optical Society of America

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References

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  2. L. E. Martin, Trans. Opt. Soc. 29, 1 (1927).
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    [CrossRef]
  6. Shau-Yau Ho, Appl. Opt. 10, 1584 (1971).
    [CrossRef] [PubMed]
  7. Rayleigh, Scientific Papers, Vol. 3, 1887–1892 (Dover, New York, 1964).
  8. M. D. Williams, E. C. Foust, Spectral Transmittance Characteristics of Adhesives from 0.2 to 15.0 Micrometers (Naval Weapons Center, Calif., 1974).
  9. C. H. Palmer, Optics; Experiments and Demonstrations (John Hopkins Press, Baltimore, 1962).
  10. H. Littman, Ann. Phys. 38, 139 (1940).
    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]

1975 (1)

1971 (1)

1959 (1)

1957 (1)

1947 (1)

1940 (2)

H. Littman, Ann. Phys. 38, 139 (1940).
[CrossRef]

H. Littman, Z. Phys. 41, 442 (1940).

1933 (1)

1927 (1)

L. E. Martin, Trans. Opt. Soc. 29, 1 (1927).
[CrossRef]

Clay, R. S.

R. S. Clay, Treatise on Practical Light (Macmillan, London, 1911).

Dennison, D. M.

Foust, E. C.

M. D. Williams, E. C. Foust, Spectral Transmittance Characteristics of Adhesives from 0.2 to 15.0 Micrometers (Naval Weapons Center, Calif., 1974).

Glover, A. M.

Goldring, H.

Hadley, L. N.

Harvey, J. E.

Ho, Shau-Yau

Icenogle, H. W.

Jaffe, J. H.

Korniski, R.

Littman, H.

H. Littman, Z. Phys. 41, 442 (1940).

H. Littman, Ann. Phys. 38, 139 (1940).
[CrossRef]

Martin, L. E.

L. E. Martin, Trans. Opt. Soc. 29, 1 (1927).
[CrossRef]

Oppenheim, U.

Palmer, C. H.

C. H. Palmer, Optics; Experiments and Demonstrations (John Hopkins Press, Baltimore, 1962).

Platt, B. C.

Rayleigh,

Rayleigh, Scientific Papers, Vol. 3, 1887–1892 (Dover, New York, 1964).

Taylor, A. M.

Williams, M. D.

M. D. Williams, E. C. Foust, Spectral Transmittance Characteristics of Adhesives from 0.2 to 15.0 Micrometers (Naval Weapons Center, Calif., 1974).

Wolfe, W. L.

Ann. Phys. (1)

H. Littman, Ann. Phys. 38, 139 (1940).
[CrossRef]

Appl. Opt. (1)

J. Opt. Soc. Am. (5)

Trans. Opt. Soc. (1)

L. E. Martin, Trans. Opt. Soc. 29, 1 (1927).
[CrossRef]

Z. Phys. (1)

H. Littman, Z. Phys. 41, 442 (1940).

Other (4)

R. S. Clay, Treatise on Practical Light (Macmillan, London, 1911).

Rayleigh, Scientific Papers, Vol. 3, 1887–1892 (Dover, New York, 1964).

M. D. Williams, E. C. Foust, Spectral Transmittance Characteristics of Adhesives from 0.2 to 15.0 Micrometers (Naval Weapons Center, Calif., 1974).

C. H. Palmer, Optics; Experiments and Demonstrations (John Hopkins Press, Baltimore, 1962).

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Figures (7)

Fig. 1
Fig. 1

Geometry of the experiment.

Fig. 2
Fig. 2

Layout number 2.

Fig. 3
Fig. 3

Sample transmission: Eastman Kodak HE-79.

Fig. 4
Fig. 4

Sample interface transmission coefficients of a nonabsorbing material vs the angle incidence on the sample θ.

Fig. 5
Fig. 5

(a) Ramp function. (b) Examples of smoothing functions. (c) Two cases for analysis.

Fig. 6
Fig. 6

Spectral variation of refractive index of several ir lens cements. The typical measurement error is shown in the lower left corner of the graph.

Fig. 7
Fig. 7

Spectral variation of refractive index of cyanoacrylates. The typical measurement error is shown in the lower left corner of the graph.

Tables (2)

Tables Icon

Table I Individual Parametric Contributions to dns

Tables Icon

Table II Refractive Index vs Wavelength and Measurement Uncertainties

Equations (4)

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n s = n p sin [ α + arcsin ( 1 / n p sin θ c ) ] ,
d n s = [ cos α ( n p 2 sin 2 θ ) 1 / 2 sin α sin θ ] d α + [ cos α sin α cos θ ( n p 2 sin 2 θ ) 1 / 2 ] cos θ d θ + [ sin α ( n p 2 sin 2 θ ) 1 / 2 ] n p d n p .
d n s = A α d α + A θ d θ + A n p d n p .
α = 19.70237 ° ± 0.0006 ° , n p = 2.2545 ± 0.0003 at 4.0 μ m , θ = 60 ° ± various values .

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