MEDSI2016 - List of Authors (Taylor, D.M.)

Paper	Title	Page
WEPE29	A Novel Filter Auto-Mounter for the BioXAS Beamlines at the CLS	357
	S.R. Carriere, D. Beauregard, B.A. Schneider, G.A. Steel, D.M. Taylor CLS, Saskatoon, Saskatchewan, Canada
	Funding: Canadian Foundation for Innovation The BioXAS beam-lines are a recently completed group of beam-lines at the Canadian Light Source (CLS). The BioXAS EXAFS beam-lines host three 32-element germanium detectors. There was a need to introduce an exchangeable filter between the soller slits and the 32-element germanium detectors. It was further required to have an automated filter exchange system so that users could quickly vary filter thicknesses and types to determine the effect on the signal. An auto-mounting filter system was created to meet these requirements and allows users to quickly exchange filters without breaking experimental hutch lockup. The auto-mounter cartridge can hold up to ten slides that measure 100mm X 55mm in cross-section. The device inserts slides in an extremely small envelope between the soller slits and the liquid helium cryostat. The auto-mounter assembly also houses the stages required to actuate the soller slits laterally and vertically. During device commissioning we performed 800 consecutive successful filter exchanges as part of a stress test. The spatial constraints, mechanics, and fabrication of the device will be presented. Software development will also be discussed.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE29
About •	paper received ※ 13 September 2016 paper accepted ※ 16 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THAA02	Mechanical Engineering of a Cryo STXM at CLS	381
	C.N. Regier, A.F.G. Leontowich, D.M. Taylor CLS, Saskatoon, Saskatchewan, Canada
	A Scanning Transmission X-ray Microscope (STXM) is a useful imaging tool, but its application to certain types of samples is limited by significant rates of x-ray damage to the sample. Cooling samples to liquid nitrogen temperatures can delay radiation damage, but must be done in a vacuum environment to prevent rapid formation of ice on the sample. The Canadian Light Source (CLS) has constructed a Cryo-STXM, which can maintain sample temperatures at 100 K in an ultra-high vacuum environment and rotate the samples in the beam to collect tomographic data sets. This presentation will discuss the mechanical engineering aspects of the development of this Cryo-STXM including the finite element analysis (FEA) for stresses and vibrations, and present the performance parameters being achieved by the instrument.
	Slides THAA02 [4.645 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-THAA02
About •	paper received ※ 11 September 2016 paper accepted ※ 16 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

A Novel Filter Auto-Mounter for the BioXAS Beamlines at the CLS

357

S.R. Carriere, D. Beauregard, B.A. Schneider, G.A. Steel, D.M. Taylor
CLS, Saskatoon, Saskatchewan, Canada

Funding: Canadian Foundation for Innovation
The BioXAS beam-lines are a recently completed group of beam-lines at the Canadian Light Source (CLS). The BioXAS EXAFS beam-lines host three 32-element germanium detectors. There was a need to introduce an exchangeable filter between the soller slits and the 32-element germanium detectors. It was further required to have an automated filter exchange system so that users could quickly vary filter thicknesses and types to determine the effect on the signal. An auto-mounting filter system was created to meet these requirements and allows users to quickly exchange filters without breaking experimental hutch lockup. The auto-mounter cartridge can hold up to ten slides that measure 100mm X 55mm in cross-section. The device inserts slides in an extremely small envelope between the soller slits and the liquid helium cryostat. The auto-mounter assembly also houses the stages required to actuate the soller slits laterally and vertically. During device commissioning we performed 800 consecutive successful filter exchanges as part of a stress test. The spatial constraints, mechanics, and fabrication of the device will be presented. Software development will also be discussed.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-WEPE29

About •

paper received ※ 13 September 2016 paper accepted ※ 16 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

THAA02

Mechanical Engineering of a Cryo STXM at CLS

381

C.N. Regier, A.F.G. Leontowich, D.M. Taylor
CLS, Saskatoon, Saskatchewan, Canada

A Scanning Transmission X-ray Microscope (STXM) is a useful imaging tool, but its application to certain types of samples is limited by significant rates of x-ray damage to the sample. Cooling samples to liquid nitrogen temperatures can delay radiation damage, but must be done in a vacuum environment to prevent rapid formation of ice on the sample. The Canadian Light Source (CLS) has constructed a Cryo-STXM, which can maintain sample temperatures at 100 K in an ultra-high vacuum environment and rotate the samples in the beam to collect tomographic data sets. This presentation will discuss the mechanical engineering aspects of the development of this Cryo-STXM including the finite element analysis (FEA) for stresses and vibrations, and present the performance parameters being achieved by the instrument.

Slides THAA02 [4.645 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-THAA02

About •

paper received ※ 11 September 2016 paper accepted ※ 16 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)