See-through smart glass with adjustable focus

Hossein Shahinian; Todd Noste; Nicholas Sizemore; Clark Hovis; Prithiviraj Shanmugam; Nicholas Horvath; Dustin Gurganos

doi:10.1117/12.2315441

21 May 2018 See-through smart glass with adjustable focus

Hossein Shahinian, Todd Noste, Nicholas Sizemore, Clark Hovis, Prithiviraj Shanmugam, Nicholas Horvath, Dustin Gurganos

Proceedings Volume 10676, Digital Optics for Immersive Displays; 106760Z (2018) https://doi.org/10.1117/12.2315441
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

The design proposed in this abstract, for a monocular see through smart glass, i.e. Design Challenge #1, leverages a varifocal lens to accommodate human eyes with different focusing abilities. The eyepiece is made of three separate segments. The varying focus of the system is achieved by using two freeform Alvarez surfaces. The Alvarez lens proposed here has the advantage of achieving different focal lengths by laterally shearing the optics with respect to each other. As a proof of concept, it is shown that the Alvarez lenses provide the ability of a constant performance for different eye conditions.

Citation Download Citation

Hossein Shahinian, Todd Noste, Nicholas Sizemore, Clark Hovis, Prithiviraj Shanmugam, Nicholas Horvath, and Dustin Gurganos "See-through smart glass with adjustable focus", Proc. SPIE 10676, Digital Optics for Immersive Displays, 106760Z (21 May 2018); https://doi.org/10.1117/12.2315441

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