Ultrafast laser bonding of glasses and crystals to metals for epoxy-free optical instruments

Robert E. Lafon; Steven Li; Frankie Micalizzi; Stephen Lebair

doi:10.1117/12.2551503

21 February 2020 Ultrafast laser bonding of glasses and crystals to metals for epoxy-free optical instruments

Robert E. Lafon, Steven Li, Frankie Micalizzi, Stephen Lebair

Proceedings Volume 11261, Components and Packaging for Laser Systems VI; 1126103 (2020) https://doi.org/10.1117/12.2551503
Event: SPIE LASE, 2020, San Francisco, California, United States

Abstract

The use of epoxies in space-based instruments is often unavoidable in situations where the bonding of dissimilar materials such as glass and metal is required. While there are epoxies that exhibit low total mass loss (TML) and collected volatile condensable materials (CVCM) in vacuum, in some applications they can still be a source of problematic contamination. Epoxies can also be incompatible with exposure to chemical environments some space instrumentation may be exposed to. In high power laser instruments such as LIDAR systems where optical components must be securely bonded to metal mounts, the impact of epoxy outgassing can be especially acute. Even with very low outgassing levels, the intense laser can break down the outgassed material and preferentially deposit it on optics that handle high optical power. This laser induced contamination in turn leads to laser induced damage, leading to degradation of optical components and reducing the reliability and operational lifetime of laser instruments [1-6]. Alternative bonding methods that avoid introducing additional contaminants could greatly improve reliability and operational lifetime of space instruments.

Conference Presentation

Citation Download Citation

Robert E. Lafon, Steven Li, Frankie Micalizzi, and Stephen Lebair "Ultrafast laser bonding of glasses and crystals to metals for epoxy-free optical instruments", Proc. SPIE 11261, Components and Packaging for Laser Systems VI, 1126103 (21 February 2020); https://doi.org/10.1117/12.2551503

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