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physics.ins-det2020★ 12 cited
A simplified cryogenic optical resonator apparatus providing ultra-low frequency drift
Eugen Wiens, Chang Jian Kwong, Timo Müller +1
A system providing an optical frequency with an instability comparable to that of a hydrogen maser is presented. It consists of a long, vertically oriented silico…
physics.ins-det2018★ 12 cited
Simulation of force-insensitive optical cavities in cubic spacers
Eugen Wiens, Stephan Schiller
We analyze the properties of optical cavities contained in spacers with approximate octahedral symmetry and made of different materials,following the design of Webster and Gill (S.…
physics.ins-det2018★ 8 cited
Characterization of the long-term dimensional stability of a NEXCERA block using the optical resonator technique
Chang Jian Kwong, Michael Georg Hansen, Jun Sugawara +1
NEXCERA is a machinable and highly polishable ceramic with attractive properties for use in precision instruments, in particular because its coefficient of thermal expansion exhibi…