Mikromechaniscne Verfahren zur Optimierung von Silizium Photomultipliern (Micromechanical Method for Optimizing Silicon Photomultipliers)
Abstract
The development of the first photomultiplier Silicon by Z. Sadygov and V. Golovin laid the foundation stone for the replacement of the photomultiplier tube (engl: photomultiplier tube, PMT) through the Silicon photomultipliers. The detection of low amounts of light in the visible range up to the counting of individual photons is necessary in many medical fields. Among other things, several applications in the measurement of fluorescent lighting are to name a few, the Positron Emission Tomography (PET) and the Cytometry measurement of components in the blood. There are numerous applications in particle and Astrophysics, such as for example the measurement of Cerenkov radiation. Scintillators used to shift the energy of the incoming photons in the range measurable for detectors in the PET, as well as the measurement of Cerenkov radiation. Currently, there are some companies that deal with the topic of Silicon photomultipliers. The best known are Hamamatsu, SensL, AdvanSiD, Photonique, Excelitas technologies, Zecotek photonics, amplification technologies, STMicroelectronics, radiation monitoring devices and KETEK in addition to universities and institutes. The main differences of the SiPMs are the cell sizes, the affect the capacity and impact on the gain. The technology to read the signal, the chip size, as well as the structure of the detector, p to n or n to p, which determined the breakthrough - and the operating voltage are other differences of existing SiPM. The main parameters ate listed in table 1.1.The objective of this work is the reduction of additional noise and increasing the sensitivity of silicon technology-based detectors by micro-mechanical methods of application in particular in medical technology. In the following, a brief overview of the chapters of this work is given. The detection of light and the structure and the functioning of Silicon photomultipliers will be explained in Chapter 2. (machine aided translation)
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 24, 2015
- Accession Number
- AD1012892
Entities
People
- Christoph Dietzinger
Organizations
- Bundeswehr University Munich