This proposal introduces an innovative concept which significantly enhances the performance of a far-infrared GaAs photoconductor. This method employs a microwave source, in the range of 90 to 120 GHz, to assist the photoionization process by pumping the infrared-generated electrons from the excited… More

We propose to investigate the feasibility of developing a 32x32 multi-gain readout multiplexer with the following key design features:1- Optimized for use with infrared detector arrays requiring low bias levels, such as Ge:Ga far IR photoconductors. The unit-cell design will maintain constant bias… More

We propose to develop an innovative 32x32 multi-gain readout multiplexer with the following key design features: 1- Optimized for use with infrared detector arrays requiring low bias levels, such as Ge:Ga far IR photoconductors. The unit-cell design will maintain constant bias across the detector… More

This proposal introduces an innovative concept aimed to significantly enhance the quantum efficiency of a far-infrared GaAs photoconductor and achieve sensitivity levels of 10E-18 W/SQRT(Hz) or better. We propose to employ a microwave source to assist the photoionization process by pumping the… More

We propose to investigate the feasibility of developing a two-dimensional far infrared photoconductor array with the following key design features:1- A top-illuminated, 2D germanium array (32x32 single or 64x64 mosaic) with the possibility of extension to very large formats. The quantum efficiency… More

This proposal introduces an innovative concept aimed to develop, for the first time, a 1k pixel far infrared focal-plane array with the following key design features: 1- A top-illuminated, 2D germanium array (32x32 single or 64x64 mosaic) with the possibility of extension to very large formats. The… More

We propose to investigate the feasibility of developing a low noise, two-side buttable, 64x64 readout multiplexer with the following key design features: 1- By far the largest readout array developed for far IR detectors to date. Four of these readout can be butted together to form a >16k-pixel… More

We propose to investigate the feasibility of fabricating a germanium blocked-impurity-band (BIB) detector using a novel process which will enable us to: 1- fabricate a suitably-doped active layer using the well-established bulk crystal-growth process, which guarantees excellent dopant control and… More

We propose to fabricate a germanium blocked-impurity-band (BIB) detector using a novel process which will enable us to:1- fabricate a suitably-doped active layer using the well-established bulk crystal-growth process, which guarantees excellent dopant control and extremely low compensating… More

We propose to investigate the feasibility of developing a low noise, two-side buttable, 64x64 readout multiplexer with the following key design features:1- By far the largest readout array developed for far IR detectors to date. Four of these readout can be butted together to form a >16k-pixel… More

We propose to design a low noise, two-side buttable, 64x64 readout multiplexer with the following key design features:1- By far the largest readout array developed for far IR detectors to date. Four of these readout can be butted together to form a>16k-pixel mosaic array satisfying the need of… More

We propose to investigate the feasibility of developing a 64x64 far infrared germanium focal-plane array with the following key design features:1- Four top-illuminated, 32x32 germanium sub-arrays will be tiled together to form a 64x64 mosaic array. Germanium offers very low noise and proven… More