LASER PENETRATION IN SILICON SENSORS USING THE EDUCATIONAL ALIBAVA SYSTEM  
 
The Educational ALIBAVA System (EASY) is a compact and portable system for lecturing sensor instrumentation at university teaching laboratories. EASY tests and readouts a silicon micro-strip sensor. The front-end electronics is based on a lownoise ASIC with 128 input channels.
Semiconductor devices are widely used as radiation sensors in many scientific and industrial applications. They are of uttermost importance in the High Energy Physics experiments as tracking devices and extensively used in Nuclear Physics for spectroscopy. Moreover, silicon sensors are extensively used in medical physics imaging and inland security, where their low cost, miniaturization, packaging and integration of electronics represent a clear advantage.
A book of exercises with EASY (including theory explanations and hands-on activities) helps physics and engineering students to be educated on the first principles of the semiconductor sensors, their operation in real systems, as well as the associated electronics. There one can find clear explanation of the different type of runs to acquire the data, and with a proposal of some basic exercises for the students like: setting the operation voltage of the sensors, finding the pedestals and the noise, the synchronization with the trigger, charge collection and energy deposition, depletion voltage of the sensor, charge sharing between neighbour strips, the spatial resolution of the sensor and spectroscopy with different radioactive source. As example, the study of the laser penetration in silicon sensors will be detailed.

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      Edifici Eureka 
      Av. Can Domènech s/n
      Campus UAB
      08193 Bellaterra (Barcelona)
      Spain
      Phone: +34 932 222 777

      +34 935 868 832

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