Optical design of a double pass surface encoder

Yoji Watanabe; Wei Gao; Hiroki Shimizu; Satoshi Kiyono

doi:10.1117/12.642027

6 December 2005 Optical design of a double pass surface encoder

Yoji Watanabe, Wei Gao, Hiroki Shimizu, Satoshi Kiyono

Proceedings Volume 6052, Optomechatronic Systems Control; 60520R (2005) https://doi.org/10.1117/12.642027
Event: Optomechatronic Technologies 2005, 2005, Sapporo, Japan

Abstract

This paper describes the optical design of a new type surface encoder, which consists of a 2D angle grid and a 2D slope sensor for 2D position detection. The sensitivity of the new type surface encoder is two times higher than that of a conventional surface encoder through employing a double pass. A wave optical model of the surface encoder is established for the optical design. Simulations based on the wave optical model are carried out to analyze the behavior of the diffraction pattern on the photo-detector of the slope sensor. Basic experiments are also carried out to confirm the feasibility of the double pass surface encoder.

Citation Download Citation

Yoji Watanabe, Wei Gao, Hiroki Shimizu, and Satoshi Kiyono "Optical design of a double pass surface encoder", Proc. SPIE 6052, Optomechatronic Systems Control, 60520R (6 December 2005); https://doi.org/10.1117/12.642027

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