CONFERENCE PROCEEDINGS
Advanced Search
Home > Proceedings > Volume 10706 > Article
Presentation
10 July 2018 Precision fabrication of high-slope convex aspheric optics (Conference Presentation)
Haojin Gu, Chaoyang Wei, Chen Hu, Jianda Shao
Author Affiliations +
Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107060N (2018) https://doi.org/10.1117/12.2315769
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States
Abstract
High-precision aspheric components are widely used in modern systems with the capability of high image quality, but an high-slope convex aspheric aspheric surface is more challenging to fabricate because of its more complex shape and measuring difficulty compared with other surfaces. As the traditional aspheric surface manufacturing will cause many problems like the tools cannot conform to the local varying curvatures of high slope convex aspheric optics. In this paper, a high efficient approach include CNC generating, MRF fine polishing and multi-wavelength interferometer measurement to get a high-precision convex aspheric surface is presented. A kind of flexible tools was designed to polish the surface and correct MHSF errors on the aspheric surface which can always conform to the surfaceduring the process. And the pressure needed during the polishing process is simulated by COMSOL software. A high-precision convex aspheric surface is successfully obtained and the final surface RMS is better than λ/30.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Haojin Gu, Chaoyang Wei, Chen Hu, and Jianda Shao "Precision fabrication of high-slope convex aspheric optics (Conference Presentation)", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107060N (10 July 2018); https://doi.org/10.1117/12.2315769
ACCESS THE FULL ARTICLE
ORGANIZATIONAL
Sign in with credentials provided by your organization.
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
Members: $17.00
Non-members: $21.00 ADD TO CART
PROCEEDINGS
 PRESENTATION
WATCH
PRESENTATION SAVE TO MY LIBRARY
GET CITATION
Advertisement
Advertisement
KEYWORDS
Aspheric lenses
Surface finishing
Aspheric optics
Polishing
Image quality
Interferometers
Magnetorheological finishing
RELATED CONTENT
Subscribe to Digital Library
Receive Erratum Email Alert
Back to Top