Abstract
The Wide Field Imager (WFI) of the International X-ray Observatory (IXO) is an X-ray imaging spectrometer based on a large monolithic DePFET (Depleted P-channel Field Effect Transistor) Active Pixel Sensor. Filling an area of 10 × 10 cm2 with a format of 1024 × 1024 pixels it will cover a field of view of 18 arcmin. The pixel size of 100 × 100 μm 2 corresponds to a fivefold oversampling of the telescope's expected 5 arcsec point spread function. The WFI's basic DePFET structure combines the functionalities of sensor and integrated amplifier with nearly Fano-limited energy resolution and high efficiency from 100 eV to 15 keV. The development of dedicated control and amplifier ASICs allows for high frame rates up to 1 kHz and flexible readout modes. Results obtained with representative prototypes with a format of 256 × 256 pixels are presented.
| Original language | English (US) |
|---|---|
| Title of host publication | Space Telescopes and Instrumentation 2010 |
| Subtitle of host publication | Ultraviolet to Gamma Ray |
| DOIs | |
| State | Published - 2010 |
| Event | Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray - San Diego, CA, United States Duration: Jun 28 2010 → Jul 2 2010 |
Publication series
| Name | Proceedings of SPIE - The International Society for Optical Engineering |
|---|---|
| Volume | 7732 |
| ISSN (Print) | 0277-786X |
Other
| Other | Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray |
|---|---|
| Country/Territory | United States |
| City | San Diego, CA |
| Period | 6/28/10 → 7/2/10 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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