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Development of Cryogenic Mounting System for IR Detectors -Interim Report

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tristessa-leon
8 diapositives · 214 Views · Oct 28, 2014

This interim report outlines the progress on the development of a cryogenic mounting system for infrared (IR) detectors, focusing on the design process, current achievements, and future plans. The report explains the necessity of a detector mount for precise temperature control and focus adjustments, ensuring high-resolution spectrographs operate effectively. We detail the steps followed in defining requirements, conducting extensive research, and analyzing alternative solutions. The report emphasizes the importance of effective thermal and focus control systems in conjunction with current astronomical instruments.

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  1. Mark Ma, Dae-Sik Moon AST425 University of Toronto Development of Cryogenic Mounting System for IR Detectors-Interim Report

  2. Outline • Introduction • The Design Process • Progress to date • Future Plans

  3. Introduction • What is a detector mount? • To put things in context *Images courtesy of 4STAR 4STAR Detectors and Mount

  4. Introduction • Why is the mounting system necessary? • Temperature Control • Monitor and control detector temperature • Monitor and control the rate of temperature change • Focus Control • Moves the detector within the precision of a few microns • Tip/Tilt the detector MOSFIRE detector mount showing thermal and focus control mechanisms

  5. The Design Process • How would one go about designing such a detector mount? • Defining the requirements • Conducting research • Narrowing the research • Any other alternative solutions? • Analysing the possible solutions • Finalising the design

  6. Progress to Date • Defined the requirements • Why are these requirements necessary? • High resolution spectrograph are very very sensitive!

  7. Progress to Date • Research into possible solutions • To acquire as much information as possible on Thermal and Focus control • Existing and planned instruments • MOSFIRE, 4STAR, NIRC, NIRI, IMACS etc. • Astronomical and Engineering literatures • Scientific instrument manufactures and suppliers • E.g. Lakeshore Instruments, Physik Instruments

  8. What’s Next? • Finish up the broad subject research and begin narrowing down the options • Shortlist and analyse the remaining options • Produce a final design