Simon Barke
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View article: Review—Reliability and Degradation Mechanisms of Deep UV AlGaN LEDs
Review—Reliability and Degradation Mechanisms of Deep UV AlGaN LEDs Open
There are numerous applications for deep UV AlGaN Light-Emitting Diodes (LEDs) in virus inactivation, air and water purification, sterilization, bioagent detection and UV polymer curing. The long-term stability of these LEDs is also of int…
View article: CubeSat laser infrared crosslinK mission status
CubeSat laser infrared crosslinK mission status Open
Constellations of CubeSats will benefit from high data rate communications links and precision time transfer and ranging. The CubeSat Laser Infrared CrosslinK (CLICK) mission intends to demonstrate low size, weight, and power (SWaP) laser …
View article: Testing the NGO/LISA optical bench
Testing the NGO/LISA optical bench Open
The Laser Interferometer Space Antenna (LISA) aims to detect gravitational-waves down to mHz frequencies. It will consist of three spacecraft forming an equilateral triangle in an Earth-like orbit around the sun. Drag-free test masses defi…
View article: Space Based Gravitational Wave Astronomy Beyond LISA
Space Based Gravitational Wave Astronomy Beyond LISA Open
The Laser Interferometer Space Antenna (LISA) will open three decades of gravitational wave (GW) spectrum between 0.1 and 100 mHz, the mHz band. This band is expected to be the richest part of the GW spectrum, in types of sources, numbers …
View article: Coherent detection of ultraweak electromagnetic fields
Coherent detection of ultraweak electromagnetic fields Open
We explore the application of heterodyne interferometry for a weak-field coherent detection scheme. The methods detailed here will be used in ALPS II, an experiment designed to search for weakly interacting, sub-eV particles. For ALPS II t…
View article: Unveiling the Gravitational Universe at μ-Hz Frequencies
Unveiling the Gravitational Universe at μ-Hz Frequencies Open
We propose a space-based interferometer surveying the gravitational wave (GW)
\nsky in the milli-Hz to $mu$-Hz frequency range. By the 2040s', the $mu$-Hz
\nfrequency band, bracketed in between the Laser Interferometer Space Antenna
\n(LIS…
View article: Single Photon Detection Using Optical Heterodyne Interferometry
Single Photon Detection Using Optical Heterodyne Interferometry Open
We detail and explore the application of heterodyne interferometry for a weak field coherent detection scheme. Planned use in a current dark matter search experiment sets specification goals to accurately measure fields on the order of 1 p…