Large, Lightweight, Replicated Mirrors

Wilkie Talbert

doi:10.1117/12.955624

14 November 1977 Large, Lightweight, Replicated Mirrors

Wilkie Talbert

Proceedings Volume 0115, Advances in Replicated and Plastic Optics; (1977) https://doi.org/10.1117/12.955624
Event: 21st Annual Technical Symposium, 1977, San Diego, United States

Abstract

Replication of large scale optical quality mirrors has been demonstrated to be feasible for the first time in recent development work by Talbert Reflectors. This paper traces the stages of the development process from the author's first thoughts about large lightweight mirrors through pilot production of flight simulator mirrors. Large scale surfaces are possible because high vacuum is not required for fabrication of the optical surface. Sizes to 10 by 14 feet are feasible. Surface shapes are relatively unrestricted--spheric or off-axis aspheric shapes can be produced. Surface accuracies of 0.5 arc minutes per foot slo, e error have been achieved. Surface accuracy testing experience includes investigation of edge trimming, iamage, and creep effects. Lightness in weight and great rigidity are accomplished at relatively low cost by use of an aluminum honeycomb/epoxy-fiberglass substrate. Structural and thermal characteristics can be designed for specific applications. Standard optical coatings may be applied. A recent aluminum coating with an enhanced sili con dioxide overcoat measured 92% at 5500 A and passes both tape and cheesecloth abrasion tests. Applications include flight simulator displays, visual and TV projection systems, solar energy collectors, IR laser systems, millimeter and submillimeter radio reflectors.

Citation Download Citation

Wilkie Talbert "Large, Lightweight, Replicated Mirrors", Proc. SPIE 0115, Advances in Replicated and Plastic Optics, (14 November 1977); https://doi.org/10.1117/12.955624

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

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
11 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Reflectors

Mirrors

Epoxies

Surface finishing

Reflectivity

Polishing

Lightweight mirrors

Show All Keywords

Keywords/Phrases

Search In:

Publication Years