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Subha Chakraborty

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Related publications (4)

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An Electrostatic Ion-guide and a High-resolution Thrust-stand for Characterization of Micro-propulsion Devices

Subha Chakraborty

Interest in microthrusters has grown significantly in the last two decades for possible applications in small satellites and deep space missions. This thesis is motivated by the need of experimental setup for characterization of microthrusters. In the firs ...

EPFL2015

Microfabricated electrospray emitter arrays with integrated extractor and accelerator electrodes for the propulsion of small spacecraft

Herbert Shea, Caglar Ataman, Simon Dandavino, Daniel George Courtney, Subha Chakraborty

Microfabricated electrospray thrusters could revolutionize the spacecraft industry by providing efficient propulsion capabilities to micro and nano satellites (1–100 kg). We present the modeling, design, fabrication and characterization of a new generation ...

Iop Publishing Ltd2014

A ToF-MS with a Highly Efficient Electrostatic Ion Guide for Characterization of Ionic Liquid Electrospray Sources

Herbert Shea, Caglar Ataman, Daniel George Courtney, Simon Dandavino, Subha Chakraborty

We report on the development of a time-of-flight (ToF) mass spectrometer with a highly efficient electrostatic ion guide for enhancing detectability in ToF mass spectrometry. This 65-cm long ion guide consists of 13 cascaded stages of Einzel lens to collec ...

Springer2014

A 10 nN resolution thrust-stand for micro-propulsion devices

Herbert Shea, Daniel George Courtney, Subha Chakraborty

We report on the development of a nano-Newton thrust-stand that can measure up to 100 μN thrust from different types of microthrusters with 10 nN resolution. The compact thrust-stand measures the impingement force of the particles emitted from a microthrus ...

American Institute of Physics2015