Diffractive lens fabricated with mostly zeroth-order gratings

Frederick T. Chen; Harold G. Craighead

doi:10.1364/OL.21.000177

Diffractive lens fabricated with mostly zeroth-order gratings

Frederick T. Chen, Harold G. Craighead

Houston Methodist

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

We demonstrate a spherical diffractive lens fabricated in fused quartz for use at the 632.8-nm wavelength. The lens is constructed by use of a modulated two-dimensional binary grating with a high transmitted zeroth-order efficiency. Rigorous eigenmode analysis is used to correlate the desired phase modulation with the fill factor. Fabrication requires only one lithography step. Using the lens, we were able to image a focal spot with a diffraction-limited spot size (FWHM).

Original language	English (US)
Pages (from-to)	177-179
Number of pages	3
Journal	Optics Letters
Volume	21
Issue number	3
DOIs	https://doi.org/10.1364/OL.21.000177
State	Published - Feb 1 1996

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.21.000177

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title = "Diffractive lens fabricated with mostly zeroth-order gratings",

abstract = "We demonstrate a spherical diffractive lens fabricated in fused quartz for use at the 632.8-nm wavelength. The lens is constructed by use of a modulated two-dimensional binary grating with a high transmitted zeroth-order efficiency. Rigorous eigenmode analysis is used to correlate the desired phase modulation with the fill factor. Fabrication requires only one lithography step. Using the lens, we were able to image a focal spot with a diffraction-limited spot size (FWHM).",

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AU - Craighead, Harold G.

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N2 - We demonstrate a spherical diffractive lens fabricated in fused quartz for use at the 632.8-nm wavelength. The lens is constructed by use of a modulated two-dimensional binary grating with a high transmitted zeroth-order efficiency. Rigorous eigenmode analysis is used to correlate the desired phase modulation with the fill factor. Fabrication requires only one lithography step. Using the lens, we were able to image a focal spot with a diffraction-limited spot size (FWHM).

AB - We demonstrate a spherical diffractive lens fabricated in fused quartz for use at the 632.8-nm wavelength. The lens is constructed by use of a modulated two-dimensional binary grating with a high transmitted zeroth-order efficiency. Rigorous eigenmode analysis is used to correlate the desired phase modulation with the fill factor. Fabrication requires only one lithography step. Using the lens, we were able to image a focal spot with a diffraction-limited spot size (FWHM).

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Diffractive lens fabricated with mostly zeroth-order gratings

Abstract

ASJC Scopus subject areas

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