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26 April 2024 |
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A novel 2D position-sensitive semiconductor detector | | D.Bassignana
; M.Lozano
; G.Pellegrini
; D.Quirion
; M.Fernandez
; R.Jaramillo
; F.J.Munoz
; I.Vila
; | | Date: |
27 Jun 2011 | | Abstract: | We present a novel 2D position-sensitive semiconductor detector manufactured
using the conventional planar technology used in the production of single-side
AC-coupled microstrips sensors. In the new device the upper coupling electrode
is made of a slightly resistive material being read out at both ends. The
balance between the recorded charges at both electrode ends is used to define
an estimate of the position along the strip where the charge was created. A
proof-of-concept sensor has been manufactured using strongly doped
polycrystalline silicon as resistive material. The sensor response was
characterized using a microspot infrared laser and a radioactive 90Sr source.
Experimental results were compared against an electronic simulation of the
sensor equivalent circuit. The spacial resolution achieved with these first
sensors is of about 30 um (laser test-stand) and a Signal-to-noise ratio of
around fifteen was determined using the radioactive source. We have
demonstrated for the first time, the feasibility of this technological
implementation of the charge-division concept in a real microstrip detector. | | Source: | arXiv, 1106.5405 | | Services: | Forum | Review | PDF | Favorites | |
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