Re: Diffractive Optical Elements

On Oct 11, 1:33 pm, Phil Hobbs <p...@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
wrote:
Helpful person wrote:
On Oct 11, 10:42 am, Phil Hobbs
Question for all: how widely are DOEs used today, and for what sorts of
purposes? (I know about holographic scanners.)

Cheers,

Phil Hobbs

One application is Head up Displays and Helmet Mounted Displays for
aircraft.

www.richardfisher.com

Interesting. What sorts of devices are they exactly? Lenses?
Directional diffusers?

Cheers,

Phil Hobbs

They are hybrid lens / holographic systems. The hologram can be used
to both correct for aberrations and to shape the reflectivity. There
are some pictures at www.richardfisher.com/design_examples.htm You
can see lenses and construction optics.

www.richardfisher.com

.

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