Developments in precision asphere manufacturing

Jay Tierson; Ed Fess; Greg Matthews

doi:10.1117/12.2195950

11 October 2015 Developments in precision asphere manufacturing

Jay Tierson, Ed Fess, Greg Matthews

Proceedings Volume 9633, Optifab 2015; 96330H (2015) https://doi.org/10.1117/12.2195950
Event: SPIE Optifab, 2015, Rochester, New York, United States

Abstract

The increased use of aspheres in today’s optical systems has led to specialized manufacturing equipment and processes that are needed to meet component specifications. Due to their sub-aperture nature, each stage of these processes can leave behind a signature that could adversely affect the asphere's overall performance. Utilizing a variety of grinding and polishing techniques can help minimize residual artifacts that are left in an asphere.

OptiPro has performed extensive process development work to understand how to grind and polish aspheres at production speeds with minimized process signatures. For example, the amount of stock removed from a substrate using a sub aperture polishing process can increase the amount of mid-spacial frequencies that can be detected. Through precise grind control, sub aperture, and mid-aperture polishing process research, OptiPro developed a detailed knowledge of asphere process control. One of the outcomes of this work has led OptiPro to develop an asphere polishing head for their 160A polishing platform which allows more process flexibility and control.

Citation Download Citation

Jay Tierson, Ed Fess, and Greg Matthews "Developments in precision asphere manufacturing", Proc. SPIE 9633, Optifab 2015, 96330H (11 October 2015); https://doi.org/10.1117/12.2195950

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