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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 1, Iss. 3 — Jul. 1, 2011
  • pp: 451–457

Highly tolerant a-Si distributed Bragg reflector fabricated by oblique angle deposition

Sung Jun Jang, Young Min Song, Chan Il Yeo, Chang Young Park, and Yong Tak Lee  »View Author Affiliations


Optical Materials Express, Vol. 1, Issue 3, pp. 451-457 (2011)
http://dx.doi.org/10.1364/OME.1.000451


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Abstract

We demonstrate a highly tolerant and highly reflective broadband a-Si distributed Bragg reflector fabricated by oblique angle deposition. By tuning the refractive index of an a-Si film, a high index contrast material system was achieved. The highly tolerant and broadband reflective characteristics of the a-Si distributed Bragg reflector were investigated by calculation and fabrication. A broad stop band (Δλ/λ = 33.7%, R>99%) with only a five-pair a-Si distributed Bragg reflector was achieved experimentally. The size-, feature- and substrate-independent method for highly reflective Bragg reflectors was realized by simple oblique angle evaporation.

© 2011 OSA

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(310.1860) Thin films : Deposition and fabrication
(310.4165) Thin films : Multilayer design
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Thin Films

History
Original Manuscript: April 20, 2011
Revised Manuscript: June 16, 2011
Manuscript Accepted: June 22, 2011
Published: June 24, 2011

Citation
Sung Jun Jang, Young Min Song, Chan Il Yeo, Chang Young Park, and Yong Tak Lee, "Highly tolerant a-Si distributed Bragg reflector fabricated by oblique angle deposition," Opt. Mater. Express 1, 451-457 (2011)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-1-3-451


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