Integration and alignment through mechanical measurements: the example of the ESPRESSO front-end units

Matteo Aliverti; Giorgio Pariani; Manuele Moschetti; Marco Riva

doi:10.1117/12.2233998

9 August 2016 Integration and alignment through mechanical measurements: the example of the ESPRESSO front-end units

Matteo Aliverti, Giorgio Pariani, Manuele Moschetti, Marco Riva

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 99087C (2016) https://doi.org/10.1117/12.2233998
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Traditional techniques usually rely on optical feedback to align optical elements over all the degrees of freedom needed. This strongly iterative process implies the use of bulky and/or flexible adjustable mountings. Another solution under study consists in the characterization of every optomechanical elements and the integration of the parts without any optical feedback. The characterization can be performed using different 3D Coordinate Measuring Machines (like Laser Tracker, Articulated Arms and Cartesian ones) and referencing different parts like the optomechanical mounts or the optical surfaces. The alignment of the system is done adjusting the six degrees of freedom of every element with metallic shims. Those calibrated elements are used to correct the interfaces position of the semikinematic system composed by 3 screws and 3 pins. In this paper, the integration and alignment of the ESPRESSO Front End Units (FEUs) will be used as pathfinder to test different alignment methods and evaluate their performances.

Citation Download Citation

Matteo Aliverti, Giorgio Pariani, Manuele Moschetti, and Marco Riva "Integration and alignment through mechanical measurements: the example of the ESPRESSO front-end units", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99087C (9 August 2016); https://doi.org/10.1117/12.2233998

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