Difference between revisions of "Detector RF/Bandwidth/Resolution"

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Charge: Report back on range of frequency coverage and practical number of bands.  
 
Charge: Report back on range of frequency coverage and practical number of bands.  
  
'''Meeting 03: 2016-06-16'''
+
=== Meeting 03: 2016-06-16 ===
  
Deliverable: White paper by next S-4 meeting in September  
+
* Deliverable: White paper by next S-4 meeting in September  
.tex file at github
+
** .tex file at github
git clone https://github.com/CMB-S4/Memos.git
+
** git clone https://github.com/CMB-S4/Memos.git
Generic goal:
+
** Outsource writing tasks to experts (our task is to bring back .tex, .png, .bib)
Keep doors open - no down selection
+
* Generic goal:
Survey of current technology and development
+
** Keep doors open - no down selection
Summarize necessary development for CMB-S4
+
** Survey of current technology and development
Scope/topics to address
+
** Summarize necessary development for CMB-S4
Total bandwidth that makes sense per detector from mapping speed point of view
+
** Collect references
Broadband feed technology (feed and RF circuit)
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* Scope/topics to address
Diffraction
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** Total bandwidth per feed
Cold stop and telescope temperature
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*** Broadband feed technology
Loss in optics and RF circuit line
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**** Feed
Example mapping speed plot
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**** RF circuit
 +
*** Mapping speed
 +
**** Diffraction
 +
**** Cold stop and telescope temperature
 +
**** Loss in optics (AR and lens material) and RF circuit line (choice of dielectric for ex)
 +
** Resolving Power
 +
*** Need from foreground subtraction group
 +
**** Just point to their write up
 +
*** Atmospheric window
 +
*** Hardware requirement
 +
**** Finite area on silicon wafer
 +
**** Increase number of readout channels

Revision as of 02:10, 16 June 2016

CMB S-4: Detector RF Design, Total Bandwidth, Resolving Power

Team:

Charge: Report back on range of frequency coverage and practical number of bands.

Meeting 03: 2016-06-16

  • Deliverable: White paper by next S-4 meeting in September
  • Generic goal:
    • Keep doors open - no down selection
    • Survey of current technology and development
    • Summarize necessary development for CMB-S4
    • Collect references
  • Scope/topics to address
    • Total bandwidth per feed
      • Broadband feed technology
        • Feed
        • RF circuit
      • Mapping speed
        • Diffraction
        • Cold stop and telescope temperature
        • Loss in optics (AR and lens material) and RF circuit line (choice of dielectric for ex)
    • Resolving Power
      • Need from foreground subtraction group
        • Just point to their write up
      • Atmospheric window
      • Hardware requirement
        • Finite area on silicon wafer
        • Increase number of readout channels