Field-of-View extender for a novel camera system

Se Hoon Lim; Raymond K. Kostuk

doi:10.1117/12.700832

Field-of-View extender for a novel camera system

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper the use of a blazed holographic grating extends the filed of view (FoV) of a thin camera system. A blazed grating is designed to shift the center of the object field 10° from the axis. The designed blazed grating provides 69% maximum diffraction efficiency (DE) in the primary order over a 15° FoV. High diffraction efficiency is maintained over a wavelength range from 457.8 to 632.9 nm. The holographic blazed grating is fabricated in photoresist on a 1.5 mm thick glass substrate, index matching with a prism. The prism helps to make an adequate profile of the blazed grating. Experimental results confirm that the center in the object field is successfully shifted by the blazed grating for the FoV extender. This technique can be used to increase the numerical aperture (NA) of various optical systems.

Original language	English (US)
Title of host publication	Practical Holography XXI
Subtitle of host publication	Materials and Applications
DOIs	https://doi.org/10.1117/12.700832
State	Published - 2007
Event	Practical Holography XXI: Materials and Applications - San Jose, CA, United States Duration: Jan 21 2007 → Jan 24 2007

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6488
ISSN (Print)	0277-786X

Other

Other	Practical Holography XXI: Materials and Applications
Country/Territory	United States
City	San Jose, CA
Period	1/21/07 → 1/24/07

Keywords

Blazed holographic gratings
Imaging systems

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.700832

Cite this

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title = "Field-of-View extender for a novel camera system",

abstract = "In this paper the use of a blazed holographic grating extends the filed of view (FoV) of a thin camera system. A blazed grating is designed to shift the center of the object field 10° from the axis. The designed blazed grating provides 69% maximum diffraction efficiency (DE) in the primary order over a 15° FoV. High diffraction efficiency is maintained over a wavelength range from 457.8 to 632.9 nm. The holographic blazed grating is fabricated in photoresist on a 1.5 mm thick glass substrate, index matching with a prism. The prism helps to make an adequate profile of the blazed grating. Experimental results confirm that the center in the object field is successfully shifted by the blazed grating for the FoV extender. This technique can be used to increase the numerical aperture (NA) of various optical systems.",

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AB - In this paper the use of a blazed holographic grating extends the filed of view (FoV) of a thin camera system. A blazed grating is designed to shift the center of the object field 10° from the axis. The designed blazed grating provides 69% maximum diffraction efficiency (DE) in the primary order over a 15° FoV. High diffraction efficiency is maintained over a wavelength range from 457.8 to 632.9 nm. The holographic blazed grating is fabricated in photoresist on a 1.5 mm thick glass substrate, index matching with a prism. The prism helps to make an adequate profile of the blazed grating. Experimental results confirm that the center in the object field is successfully shifted by the blazed grating for the FoV extender. This technique can be used to increase the numerical aperture (NA) of various optical systems.

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Field-of-View extender for a novel camera system

Abstract

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Keywords

ASJC Scopus subject areas

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