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Complex optical elements for scanning helium microscopy through 3D printing

delete2021-11-26
delete9
PRE
AI
M
Matthew Bergin *
T
Thomas A. Myles
A
Aleksandar Radić
C
C.J. Hatchwell
S
Sam Lambrick
D
David J. Ward
S
Sabrina D. Eder
A
Adam Fahy
M
Matthew G. Barr
P
Paul C. Dastoor
DOI：10.1088/1361-6463/ac3a3edelete
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Abstract

Abstract

En 中文
Developing the next generation of scanning helium microscopes requires the fabrication of optical elements with complex internal geometries. We show that resin stereolithography (SLA) 3D printing produces low-cost components with the requisite convoluted structures whilst achieving the required vacuum properties, even without in situ baking. As a case study, a redesigned pinhole plate optical element of an existing scanning helium microscope was fabricated using SLA 3D printing. In comparison to the original machined component, the new optical element minimised the key sources of background signal, in particular multiple scattering and the secondary effusive beam.
Keywords:
3D print
vacuum
scanning helium microscopy
helium

Journal

Journal of Physics D-Applied Physics cover
Journal of Physics D-Applied Physics
IF:
3.2
Papers:
2.6W
Citations:
4.9W

Organization

U
university of bergen
Scholars:
2.0W
Papers: 1.7W
Citations: 19
U
University of Newcastle
Scholars:
1.5W
Papers: 1.5W
Citations: 16
U
University of Cambridge
Scholars:
7.7W
Papers: 7.1W
Citations: 13.7W
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