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Bandwidth of holographic optical elements.

T Stone, N George

|August 29, 2009

Summary

This study analyzes holographic cascade lenses, combining diffraction gratings and zone plates. We investigated diffraction efficiency, bandpass, and spurious beam rejection, including grain polarizability effects.

Area of Science:

Optics and Photonics
Holographic Technology

Background:

Holographic cascade lenses offer unique optical properties.
Understanding their performance is crucial for advanced optical systems.

Purpose of the Study:

To analyze the diffraction efficiency, bandpass, and spurious beam rejection of holographic cascade lenses.
To investigate the impact of grain polarizability on the bandpass of volume diffraction gratings within these lenses.

Main Methods:

Theoretical analysis of a holographic cascade lens composed of a diffraction grating and an off-axis zone plate.
Modeling the bandpass characteristics of the volume diffraction grating, incorporating grain polarizability.

Main Results:

Quantified diffraction efficiency and bandpass performance.

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Evaluated spurious beam rejection capabilities.

Determined the influence of grain polarizability on the grating's bandpass.

Conclusions:

The holographic cascade lens performance is characterized by its diffraction efficiency, bandpass, and spurious beam rejection.
Grain polarizability significantly affects the bandpass of the constituent volume diffraction grating.