In-space electric propulsion technologies have advanced significantly in the last decade,
while there has been increasing interest in economical propulsion systems with growing …

With the development of microspacecraft, the field of electrical micropropulsion is a rapidly
expanding discipline. New ideas are being explored constantly and a review of the current …

As a novel micro-propulsion system for small satellites (from micro to nano), the ionic liquid
electrospray propulsion system is a promising candidate. However, performance …

There is a growing need to consider alternative propellants for operation in Hall thrusters,
away from the conventional legacy of using xenon. This is particularly the case for small Hall …

Magnetically shielded miniature (MaSMi) is a low power (≤ 1 kW) long life (> 100 kg Xe
throughput) magnetically shielded Hall thruster that features an internally mounted hollow …

We describe the effects of finite pressure in a large vacuum facility on a magnetically
shielded Hall thruster using internally and externally mounted cathodes. A numerical model …

A type of Hall thruster without wall losses is designed by adding two permanent magnet
rings in the magnetic circuit. The maximum strength of the magnetic field is set outside the …

We examined the solar gravitational lens (SGL) as the means to produce direct high-
resolution, multipixel images of exoplanets. The properties of the SGL are remarkable: it …

The capabilities of a SmallSat-class spacecraft targeting the outer solar system and using a
combined chemical and electric propulsion system are explored. The development of …

A new development model MaSMi Hall thruster, which utilizes a compact internally-mounted
hollow cathode, was designed, fabricated, and tested. The low-current cathode …