Brian Kasch
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View article: Electro-optic time transfer with femtosecond stability
Electro-optic time transfer with femtosecond stability Open
Optical two-way time and frequency transfer (O-TWTFT) is an enabling technology that has applications ranging from fundamental investigations of relativity to the operation of global navigation satellite systems. Linear-optical-sampling (L…
View article: Electro-optic time transfer with femtosecond stability
Electro-optic time transfer with femtosecond stability Open
Optical two-way time and frequency transfer is an enabling technology that has applications ranging from fundamental investigations of relativity to the operation of global navigation satellite systems. While fiber frequency combs have dem…
View article: Two-photon rubidium clock detecting 776 nm fluorescence
Two-photon rubidium clock detecting 776 nm fluorescence Open
The optical atomic clock based on the 5 S 1/2 → 5 D 5/2 two-photon transition in rubidium is a candidate for a next generation, manufacturable, portable clock that fits in a small size, weight, and power (SWaP) envelope. Here, we report th…
View article: Compact, ultra-high vacuum compatible, high power density conductive heaters
Compact, ultra-high vacuum compatible, high power density conductive heaters Open
We present a design and evaluation of a simple and easy-to-fabricate conductive heater intended for ultra-high vacuum experiments. We demonstrate a compact and power-dense heater that has minimal outgassing up to nearly 200 °C. We further …
View article: Clean, robust alkali sources by intercalation within highly oriented pyrolytic graphite
Clean, robust alkali sources by intercalation within highly oriented pyrolytic graphite Open
We report the fabrication, characterization, and use of rubidium vapor dispensers based on highly oriented pyrolytic graphite (HOPG) intercalated with metallic rubidium. Compared to commercial chromate salt dispensers, these intercalated H…
View article: Tunable axial potentials for atom-chip waveguides
Tunable axial potentials for atom-chip waveguides Open
We present a method for generating precise magnetic potentials that can be\ndescribed by a polynomial series along the axis of a cold atom waveguide near\nthe surface of an atom chip. With a single chip design consisting of several\nwire p…
View article: Publisher's Note: Two-dimensional grating magneto-optical trap [Phys. Rev. A <b>96</b>, 033636 (2017)]
Publisher's Note: Two-dimensional grating magneto-optical trap [Phys. Rev. A <b>96</b>, 033636 (2017)] Open
Received 2 October 2017DOI:https://doi.org/10.1103/PhysRevA.96.049902©2017 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasAtom interferometryAtom lasersAtom opticsBose-Einstein condensatesCold atoms & matter wavesCo…
View article: Two-dimensional grating magneto-optical trap
Two-dimensional grating magneto-optical trap Open
We demonstrate a two-dimensional grating magneto optical trap (2D GMOT) with a single input beam and a planar diffraction grating in 87Rb. This configuration allows for an increase in experimental access when compared with a traditional 2D…
View article: Ex vacuo atom chip Bose-Einstein condensate
Ex vacuo atom chip Bose-Einstein condensate Open
Ex vacuo atom chips, used in conjunction with a custom thin walled vacuum chamber, have enabled the rapid replacement of atom chips for magnetically trapped cold atom experiments. Atoms were trapped in >2 kHz magnetic traps created usin…