Section IV. New applicationsThe MPI/AIT X-ray imager (MAXI) — High speed pn CCDs for X-ray detection
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Charge-pump detector for X-ray correlation spectroscopy
2011, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentCitation Excerpt :We considered several pixel configurations and chose a solution where the signal charges are transferred to the readout electronics by applying a sequence of voltages to a few surface implants contributing to the noise with very low capacitance and leakage current. This method can be seen as the implementation in high resistivity silicon of a single element CCD [3–5]. The device is fully depleted from the side of the X-ray entrance window.
Considerations on the 11th Symposium
2010, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentLarge-format, high-speed, X-ray pnCCDs combined with electron and ion imaging spectrometers in a multipurpose chamber for experiments at 4th generation light sources
2010, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentCitation Excerpt :As the primary silicon atom is excited due to the missing K-shell electron, it relaxes either through the emission of a 1.74 keV photon or via the ejection of an Auger electron of about 1.55 keV, both of which deposit their energies in close vicinity. The size of the charge cloud as a function of the incident energy was approximated by Fitting et al. [22] to be Rel∼ρ−0.8Eel1.3 (Rel is the radius of the electron range, ρ the density of the absorber material and Eel the electron energy). This approximation [20] is reasonably good for energies well above the K-edge of the material.
X-ray imaging spectrometers in present and future satellite missions
2003, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentCitation Excerpt :Each transfer channel is terminated by an on-chip preamplifier of the single-sided N-JFET type [10–12]. The preamplifier signals are transferred to CAMEX amplifier/multiplexer chips in VLSI JFET-CMOS technology [21,23]. For the XMM-Newton focal plane detector, 12 of these units with 200×768 pixels and a sensitive area of 6×6 cm2 are integrated monolithically in a gapless array on a 4-in.
Construction of a scanning transmission X-ray microscope at the undulator U-41 at BESSY II
2001, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated EquipmentHigh-resolution imaging X-ray spectrometers
2000, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment