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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 2 — Jan. 10, 2009
  • pp: 425–428

Tilted parallel dielectric slab as a multilevel attenuator for incident p- or s-polarized light

R. M. A. Azzam  »View Author Affiliations


Applied Optics, Vol. 48, Issue 2, pp. 425-428 (2009)
http://dx.doi.org/10.1364/AO.48.000425


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Abstract

Under the condition of first-order blooming, a parallel dielectric slab, which is inserted in the path of an obliquely incident p- or s-polarized light beam, introduces multiple discrete attenuation levels given by 1 / 3 , 4 / 27 , 4 / 243 , in reflection and 4 / 9 , 4 / 81 , 4 / 729 , in transmission. These attenuation levels are independent of the slab refractive index, incident p or s linear polarization, or the presence of identical transparent surface coatings at the front and back sides of the slab. Therefore, the tilted slab provides multidecade reflectance and attenuation reference values that can be used in calibrating spectrophotometers and filters, and also for testing the linearity of photodetectors. For an uncoated dielectric slab, incidence angles that cause first-order blooming are determined as functions of the slab refractive index for incident p- or s-polarized light.

© 2009 Optical Society of America

OCIS Codes
(120.1840) Instrumentation, measurement, and metrology : Densitometers, reflectometers
(120.5240) Instrumentation, measurement, and metrology : Photometry
(230.0230) Optical devices : Optical devices
(260.0260) Physical optics : Physical optics

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 30, 2008
Revised Manuscript: December 16, 2008
Manuscript Accepted: December 16, 2008
Published: January 9, 2009

Citation
R. M. A. Azzam, "Tilted parallel dielectric slab as a multilevel attenuator for incident p- or s-polarized light," Appl. Opt. 48, 425-428 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-2-425

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