NDLI: A Multi-Channel Optical Rotary Joint on the Basis of Off-Axis Holographic Fresnel Lenses

Content Provider	IEEE Xplore Digital Library
Author	Shapar, V.M.S. Svechnikov, S.V. Indutnij, I.Z. Shepeljavij, P.J. Minko, V.I.
Copyright Year	2006
Description	Author affiliation: V. Lashkaryov Inst. of Semicond. Phys., Nat. Acad. of Sci. of Ukraine, Kyiv (Shapar, V.M.S.; Svechnikov, S.V.; Indutnij, I.Z.; Shepeljavij, P.J.; Minko, V.I.)
Abstract	We performed both theoretical and experimental investigations of the possibility for development of radically new types of small-size multi-channel optical rotary joints (ORJs) on the basis of holographic optics to transmit large arrays of broad-band digital signals from rotary objects to stationary ones through the fiber optic communication channels. To make multi-channel ORJs on the basis of off-axis Fresnel lenses, we developed an original optical recording arrangement of ring Fresnel lenses that combines the advantages of axis Fresnel lens and holographic recording. A manufacturing technology for Fresnel lenses on the basis of inorganic chalcogenide photoresist with maximal diffraction efficiency was developed and optimized. Wc fabricated a three-channel ORJ model with the following characteristics: amplitude modulation percentage for a signal in the ORJ optical channel - no more than 7%; crosstalk signal between the optical channels - no more than 10-5 ; lens diffraction efficiency - 20%
Starting Page	378
Ending Page	383
File Size	225458
Page Count	6
File Format	PDF
ISBN	1424402336
DOI	10.1109/LFNM.2006.252068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-29
Publisher Place	Ukraine
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Holographic optical components Holography Fresnel reflection Optical crosstalk Optical recording Optical arrays Lenses Optical diffraction Optical modulation Optical fiber communication fiber optic communication line multi-channel optical rotary joint holographic optics Fresnel lens
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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