Substrate-mode holograms used in optical interconnects: Design issues

Jang Hun Yeh, Raymond K. Kostuk

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


We discuss a number of design issues that affect the performance tolerances of substrate-mode holograms used for optical interconnect systems. We examine the effects of emulsion uniformity, thickness variation, and index variation on the ability to determine the Bragg angle and the diffraction angle within the substrate accurately. The environmental stability with respect to temperature, laser irradiance, and humidity are considered. Experimental results are presented for substrate-mode holograms fabricated in spin-coated dichromated-gelatin emulsions. The coupling properties for a 1 × 2 multiplexed substrate-mode hologram with two superimposed gratings are also described.

Original languageEnglish (US)
Pages (from-to)3152-3164
Number of pages13
JournalApplied optics
Issue number17
StatePublished - Jun 10 1995

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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