O. Hälker

Publication List Details

Period

2004 - 2008

Number

18

Co-Authors

Spectroscopic silicon imaging detectors: past achievements and new developments (2007)

Lutz, G., Andritschke, R., Andricek, L., Eckhardt, R., Englhauser, J., Fuchs, G., ...

The need of high quality spectroscopic semiconductor imaging detectors in X-ray astronomy was the principal driving force in founding the MPI Semiconductor Laboratory. Detectors developed in this...

Advancements in DEPMOSFET device developments for XEUS (2006)

Treis, J., Bombelli, L., Eckhart, R., Fiorini, C., Fischer, P., Hälker, O., ...

DEPMOSFET based Active Pixel Sensor (APS) matrices are a new detector concept for X-ray imaging spec- troscopy missions. They can cope with the challenging requirements of the XEUSWide Field Imager...

Study of noise and spectroscopic performance of DEPMOSFET matrix prototypes for XEUS (2006)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

The current generation of DEPMOSFET-based Active Pixel Sensor (APS) matrix devices has been developed to cope with the challenging requirements of the XEUS Wide Field Imager. The devices turned out...

Spectroscopic Performance of the DEPMOS Detector/Amplifier Device with Respect to Different Filtering Techniques and Operation Conditions (2006)

Porro, M., Ferrari, G., Fischer, P., Hälker, O., Harter, M., Herrmann, S., ...

A DePMOS structure provides detection and amplification jointly, and it is free of interconnection stray capacitance. To fully exploit the intrinsic low noise of the device an electrical model has...

Noise and spectroscopic performance of DEPMOSFET matrix devices for XEUS (2005)

Treis, J., Fischer, P., Hälker, O., Herrmann, S., Kohrs, R., Krüger, H., ...

DEPMOSFET based Active Pixel Sensor (APS) matrix devices, originally developed to cope with the challenging requirements of the XEUS Wide Field Imager, have proven to be a promising new imager...

DEPMOSFET Active Pixel Sensor Prototypes for the XEUS Wide Field Imager (2005)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

Active pixel sensors (APS) based on the depleted P-channel MOSFET (DEPMOSFET) recently produced at the MPI semiconductor laboratory are a promising new type of sensor to cope with the advanced...

First results of DEPFET-based active-pixel-sensor prototypes for the XEUS wide-field imager (2004)

Treis, J., Fischer, P., Hälker, O., Harter, M., Herrmann, S., Kohrs, R., ...

The concept of an Active Pixel Sensor (APS) based on the integrated detector/amplifier structure DEPFET (DEpleted P-channel Field Effect Transistor) has been developed to cope with the challenging...