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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 34 — Dec. 1, 2001
  • pp: 6260–6264

Reflectance and scattering properties of highly absorbing black appliqués over a broadband spectral region

Steven R. Meier  »View Author Affiliations


Applied Optics, Vol. 40, Issue 34, pp. 6260-6264 (2001)
http://dx.doi.org/10.1364/AO.40.006260


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Abstract

I present angle-dependent directional hemispherical reflectance (DHR) and bidirectional reflectance distribution function (BRDF) measurements of three highly absorbing black appliqués in the 250–2000-nm broadband spectral region. DHR measurements of Energy Science Laboratories, Inc. (ESLI), Rippey, and Rodel appliqués were obtained at incidence angles of 8°, 50°, and 70°. For an incidence angle of 8°, the ESLI appliqué exhibited the lowest DHR value of 0.3% across this entire spectral region, whereas the Rippey and Rodel had DHR values of 1.5% and 2.0–2.5%, respectively. In-plane BRDF measurements of the appliqués, obtained at a wavelength of 633 nm and incidence angle of 10°, yielded Lambertian profiles from -80° to +80° with values ranging from ∼10-3 sr-1 for the ESLI, 6 × 10-3 sr-1 for the Rippey, and 9 × 10-3 sr-1 for the Rodel appliqué. In addition, rms surface roughness and correlation lengths for the Rippey and the Rodel appliqués were determined. The in-plane BRDF data were used to estimate the reflected specular component from Beckmann’s scattering theory, and excellent agreement was found.

© 2001 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(290.5880) Scattering : Scattering, rough surfaces

History
Original Manuscript: June 22, 2001
Revised Manuscript: August 29, 2001
Published: December 1, 2001

Citation
Steven R. Meier, "Reflectance and scattering properties of highly absorbing black appliqués over a broadband spectral region," Appl. Opt. 40, 6260-6264 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-34-6260


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References

  1. S. R. Meier, “Characterization of highly absorbing black appliqué in the infrared,” Appl. Opt. 40, 2788–2795 (2001). [CrossRef]
  2. S. R. Meier, M. L. Korwin, C. I. Merzbacher, “Carbon aerogel: a new nonreflective material for the infrared,” Appl. Opt. 39, 3940–3944 (2000). [CrossRef]
  3. K. A. Snail, D. P. Brown, J. Costantino, W. C. Shemano, C. W. Schmidt, W. F. Lynn, C. L. Seaman, T. R. Knowles, “Optical characterization of black appliqués,” in Optical System Contamination V and Stray Light and System Optimization, A. P. M. Glassford, R. P. Breault, S. M. Pompea, eds., Proc. SPIE2864, 465–474 (1996). [CrossRef]
  4. H. Kaplan, “Black coatings are critical in optical design,” Photonics Spectra 31, 48–50 (1997).
  5. Direct inquiries to Tim Knowles, Energy Science Laboratories, 6888 Nancy Ridge Road, San Diego, Calif. 92121.
  6. Direct inquiries to Chris Bhaten, Rippey Corporation, 5000 Hillsdale Circle, El Dorado Hills, Calif. 95762.
  7. Direct inquiries to Tara MacDonald, Rodel, 9495 E. San Salvador Drive, Scottsdale, Ariz. 85258.
  8. The mention of manufacturers and model names is intended solely for the purpose of technical information to the reader and should not be construed as an endorsement of the named manufacturer or product.
  9. Labsphere, Inc.A Guide to Integrating Sphere Photometry and Radiometry (North Sutton, N.H., 1994), pp. 5–6.
  10. D. K. Edwards, J. T. Gier, K. E. Nelson, R. D. Roddick, “Integrating sphere for imperfectly diffuse samples,” J. Opt. Soc. Am. 51, 1279–1288 (1961). [CrossRef]
  11. J. C. Stover, ed., Optical Scattering: Measurement and Analysis, Vol. PM24 of the SPIE Press Monographs (SPIE, Bellingham, Wash., 1995), p. 21.
  12. F. E. Nicodemus, J. C. Richmond, J. J. Hsia, I. W. Ginsberg, T. Limperis, “Geometric considerations and nomenclature for reflectance,” Natl. Bur. Stand. (U.S.) Monogr. 160, 3–9 (1977).
  13. P. Beckmann, A. Spizzichino, The Scattering of Electromagnetic Waves from Rough Surfaces (Pergamon, New York, 1963), Part I, p. 86.

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