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Development of Cryogenic Mounting System for IR Detectors -Interim Report

Mark Ma, Dae-Sik Moon AST425 University of Toronto. Development of Cryogenic Mounting System for IR Detectors -Interim Report. Outline. Introduction The Design Process Progress to date Future Plans. Introduction. What is a detector mount? To put things in context.

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Development of Cryogenic Mounting System for IR Detectors -Interim Report

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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

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