We value your privacy

We use cookies to enhance your browsing experience, serve personalized ads or content, and analyze our traffic. By clicking "Accept All", you consent to our use of cookies.

Customize Consent Preferences

We use cookies to help you navigate efficiently and perform certain functions. You will find detailed information about all cookies under each consent category below.

The cookies that are categorized as "Necessary" are stored on your browser as they are essential for enabling the basic functionalities of the site. ... 

Always Active

Necessary cookies are required to enable the basic features of this site, such as providing secure log-in or adjusting your consent preferences. These cookies do not store any personally identifiable data.

No cookies to display.

Functional cookies help perform certain functionalities like sharing the content of the website on social media platforms, collecting feedback, and other third-party features.

No cookies to display.

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics such as the number of visitors, bounce rate, traffic source, etc.

No cookies to display.

Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.

No cookies to display.

Advertisement cookies are used to provide visitors with customized advertisements based on the pages you visited previously and to analyze the effectiveness of the ad campaigns.

No cookies to display.

News & Events

SAPPHIRE SUBSTRATES PRECISE FOR OPTICAL COATERS

Posted on by Meller Optics
Sapphire substrates in various configurations posed on a green table. There are colored lights in the background.
31
Aug

A full line of sapphire lenses, windows, and other shapes that feature highly precise tolerances for flatness, surface finish, and parallelism have been introduced by Meller Optics, Inc. of Providence, RI.

Meller Sapphire Substrates for Optical Coaters feature 1/10th per wave flatness per inch, surface finishes to 10-5 scratch-dig, and parallelism to 2 arc-sec, per MIL-PRF-13830, depending upon the configuration. Available in sizes from 1/2” to 5” O.D. with ±0.00025” tolerance, substrates can be supplied in unique shapes including pyramids with various modifications.

Featuring plano-convex and –concave, biconvex and –concave, and meniscus, Meller Sapphire Substrates can be plane, wedged, and tapered. Other substrate materials fabricated to specification can include silicon, zinc selenide, zinc sulfide, calcium fluoride, barium fluoride, magnesium fluoride, BK-7, quartz, and common laser glasses.

Meller Sapphire Substrates for Optical Coaters are priced according to configuration and quantity. Price quotations are available upon request.

Meller Optics