Optical pressure sensor based on the combined system of a variable liquid lens and a point diffraction interferometer

Anmi García-Arellano; Manuel Gómez-García; Eva Acosta

doi:10.1117/12.903387

25 October 2011 Optical pressure sensor based on the combined system of a variable liquid lens and a point diffraction interferometer

Anmi García-Arellano, Manuel Gómez-García, Eva Acosta

Author Affiliations +

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 801122 (2011) https://doi.org/10.1117/12.903387
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

Abstract

In this work we present an experimental proposal for an efficient optical pressure sensor based on a Variable Liquid Lens (VLL) and a modified Point Diffraction Interferometer (PDI). The working principle of the proposed sensor relies on the fact that a pressure variation induces a change in the lens curvature and hence in its focal length which can be tracked and measured with the interferometer. The pressure is then measured by recording and processing the interferometric images. The calibration of the sensor in this proposal demonstrated a working range of 0-26 kPa with an accuracy of less than 0.1 kPa in the whole range.

Citation Download Citation

Anmi García-Arellano, Manuel Gómez-García, and Eva Acosta "Optical pressure sensor based on the combined system of a variable liquid lens and a point diffraction interferometer", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801122 (25 October 2011); https://doi.org/10.1117/12.903387

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available