Chirp-grating lens for guided-wave optics
- 1 October 1978
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (7) , 635-637
- https://doi.org/10.1063/1.90445
Abstract
A high-throughput diffraction-limited chirp-grating Bragg diffraction lens for guided-wave optical device applications has been demonstrated with planar photolithographic fabrication techniques. Diffraction-limited performance has been obtained with a 2-mm-aperture f/16 lens focusing the He-Ne laser beam to a 6.1-μm spot size. The grating diffraction efficiency to the focus is over 90%. This type of lens has predictable focusing properties which are insensitive to process variations, an important consideration for accurately aligned integrated optical systems.This publication has 9 references indexed in Scilit:
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