Design of a multipurpose mirror system for LCLS-2 photon transport studies
(Conference Presentation)

Daniel S. Morton; Daniele Cocco; Nicholas M. Kelez; Venkat N. Srinivasan; Peter M. Stefan; Lin Zhang

doi:10.1117/12.2238784

2 November 2016 Design of a multipurpose mirror system for LCLS-2 photon transport studies (Conference Presentation)

Daniel S. Morton, Daniele Cocco, Nicholas M. Kelez, Venkat N. Srinivasan, Peter M. Stefan, Lin Zhang

Proceedings Volume 9965, Adaptive X-Ray Optics IV; 996506 (2016) https://doi.org/10.1117/12.2238784
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

LCLS-2 is a high repetition rate (up to 1 MHz) superconducting FEL and the soft x-ray branch will operate from 0.2 to 1.3 keV. Over this energy range, there is a large variation in beam divergence and therefore, a large variation in the beam footprint on the optics. This poses a significant problem as it creates thermal gradients across the tangential axis of the mirror, which, in turn, creates non-cylindrical deformations that cannot be corrected using a single actuator mechanical bender. To minimize power loss and preserve the wave front, the optics requires sub-nanometer RMS height errors and sub-microradian slope errors. One of the key components of the beam transport in the SXR beamline is the bendable focusing mirror system, operated in a Kirkpatrick-Baez Configuration. For the first time in the Synchrotron or FEL world, the large bending needed to focus the beam will be coupled with a cooling system on the same mirror assembly, since the majority of the FEL power is delivered through every optic leading up to the sample. To test such a concept, we have developed a mirror bender system to be used as a multipurpose optic. The system has been very accurately modeled in FEA. This, along with very good repeatability of the bending mechanism, makes it ideal for use as a metrology tool for calibrating instruments as well as to test the novel cooling/bending concept. The bender design and the tests carried out on it will be presented.

Conference Presentation

Citation Download Citation

Daniel S. Morton, Daniele Cocco, Nicholas M. Kelez, Venkat N. Srinivasan, Peter M. Stefan, and Lin Zhang "Design of a multipurpose mirror system for LCLS-2 photon transport studies (Conference Presentation)", Proc. SPIE 9965, Adaptive X-Ray Optics IV, 996506 (2 November 2016); https://doi.org/10.1117/12.2238784

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
PRESENTATION

WATCH
PRESENTATION SAVE TO MY LIBRARY

GET CITATION

KEYWORDS

Mirrors

Free electron lasers

Photon transport

Actuators

Cooling systems

Optical fabrication

Superconductors

Show All Keywords

Keywords/Phrases

Search In:

Publication Years