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Related Experiment Videos

Visible-band testbed projector with a replicated diffractive optical element.

C B Chen1, R G Hegg, W T Johnson

  • 1Sensors and Electronic Systems Segment, Raytheon Systems Company, 2000 East El Segundo Boulevard, PO Box 902, El Segundo, California 90245-0902, USA.

Applied Optics
|March 8, 2008
PubMed
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Raytheon developed a diffractive-optical-element-based projector. This DOE-based system offers superior optical performance for visual applications like head-mounted displays and tactical sensors.

Area of Science:

  • Optics and Photonics
  • Optical Engineering

Background:

  • Diffractive optical elements (DOEs) offer potential for compact and lightweight optical systems.
  • Traditional lens systems can be bulky and expensive for certain visual applications.

Purpose of the Study:

  • To design, fabricate, and test a DOE-based projector for visual optical applications.
  • To evaluate the performance of a DOE-based optical system against commercial lenses.

Main Methods:

  • Designed and fabricated a DOE-based testbed projector.
  • Utilized a low-cost replicated DOE surface for color correction.
  • Tested the projector's optical performance, including modulation transfer function (MTF).

Main Results:

  • The DOE-based projector optics achieved better MTF than an equivalent commercial camera lens.

Related Experiment Videos

  • Demonstrated suitability for both direct view (e.g., head-mounted displays) and projection (e.g., tactical sensors) applications.
  • Validated the practical application of DOEs in visual optical systems.

    • Conclusions:

    • A practical DOE-based optical system is feasible for diverse visual applications.
    • DOE technology provides a viable alternative to traditional optics for projection and display systems.
    • Low-cost replicated DOE surfaces can enhance optical performance effectively.