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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 16 — Aug. 15, 2007
  • pp: 2321–2323

Enhanced superprism effect based on positive/negative lateral shift of reflective beam in a Fabry–Perot filter

Xu Liu, Xuezheng Sun, and Peifu Gu  »View Author Affiliations

Optics Letters, Vol. 32, Issue 16, pp. 2321-2323 (2007)

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It is found that when a light beam is incident obliquely on a thin film Fabry–Perot filter (FPF) from different incident media (air or substrate), the reflective beam will be shifted in both the forward and the backward directions. Based on this inverted spatial dispersion effect, two thin film FPFs with different directional lateral shifts are assembled to get a thin film superprism with a wider dispersion band. The thin film samples are fabricated as well as tested, and the results are in approximate agreement with numerical simulation.

© 2007 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(120.5700) Instrumentation, measurement, and metrology : Reflection
(260.2030) Physical optics : Dispersion
(310.6870) Thin films : Thin films, other properties

ToC Category:
Physical Optics

Original Manuscript: April 13, 2007
Revised Manuscript: May 14, 2007
Manuscript Accepted: May 30, 2007
Published: August 2, 2007

Xu Liu, Xuezheng Sun, and Peifu Gu, "Enhanced superprism effect based on positive/negative lateral shift of reflective beam in a Fabry-Perot filter," Opt. Lett. 32, 2321-2323 (2007)

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