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FSI DIOT Photodetection module 8ch
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Last edited by Maciej Lipinski Feb 16, 2023
Page history

FSI DIOT Photodetection module 8ch

Project description

The DIOT-FSI-DET-8CH is a Frequency Scanning Interferometry (FSI) photodetection module with 8 channels and DI/OT form factor (Compact PCI Serial standard connector). It enables data acquisition of optical signals from the gas cell, the reference interferometers and return signals of interferometer channels.

image

FSI allows absolute distance measurement:

  • with high accuracy (µm level)
  • with no contact
  • without need of homing of measured component

Main Features

  • 8 input channels (LC-type fibre-optic connectors)
  • 12-bits ADC 8 CH 100 MSPS
  • Mechanically and electrically compliant with Compact PCI Serial standard (CPCI-S.0)

Hardware versions

  • v1: first prototype
    • schematics and layout
    • 3 units produced
    • fully functional, used for characterization
  • v2: second prototype (http://edms.cern.ch/nav/EDA-04677-V1-0))
    • schematics and layout v2.0 (zip, pdf) submitted for EDL-internal review (see review 1 in ongoing design reviews)
    • schematics and layout v2.1 (zip, pdf) submitted for EMC review
    • schematics and layout v2.2 (tar, PDF, EDA-04677-V1-0, v2.2_vs_v1.pdf) submitted for production of v2 prototypes
  • Detailed list of HW version changes.
  • Design reviews

Project information

  • FSI project page (CERN-only)
  • Introduction to FSI: Development of High Precision Alignment Monitoring Systems

Contacts

Commercial producers

  • The design is not yet available as a commercial product

General questions about project

  • Maciej Lipinski - CERN

Status

Date Event
XX-10-2021 Prototype v1 produced
23-06-2022 Good results of prototype v1 in acceptance tests (see FSI project status)
04-07-2022 Design reviews of prototype v2 started
13-01-2023 Received prototype v2

16 Feb 2023

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