Difference: 20161201_MSciSpectroscopySession (1 vs. 4)

Revision 402 Dec 2016 - WilliamBurrows

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertSpectroscopy2016"
Finding optimal grating placement
Line: 16 to 16
 
  • Focus rotation angle scan
  • Focus length at 21.69mm when doing rotation scan
Changed:
<
<
LogBookAstronomyEntry0124 -- JamesAngthopo - 01 Dec 2016
>
>
  • Asymmetry scan
LogBookAstronomyEntry0124 -- JamesAngthopo - 01 Dec 2016
 
META FILEATTACHMENT attachment="Grating.zip" attr="" comment="Scans of blaze arrow facing away and towards camera" date="1480594845" name="Grating.zip" path="Grating.zip" size="3444803" user="zyvb137" version="1"

Revision 301 Dec 2016 - JamesAngthopo

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertSpectroscopy2016"
Finding optimal grating placement
Line: 8 to 8
 
  • For towards with centred grating, brightest line chosen at 4.8mm
  • For away with centred grating, brightest line chosen at 4.9mm
  • Blaze arrow towards camera focused at 21.69mm and 3.21mm
Changed:
<
<
>
>
  • Best position is for blaze arrow pointed at camera, with an offset to the left of a couple of mm
  • Glued in position

  • Focus distance scan
  • Rotation at 3.5mm when doing focus scan
  • Focus rotation angle scan
  • Focus length at 21.69mm when doing rotation scan

LogBookAstronomyEntry0124

 -- JamesAngthopo - 01 Dec 2016

META FILEATTACHMENT attachment="Grating.zip" attr="" comment="Scans of blaze arrow facing away and towards camera" date="1480594845" name="Grating.zip" path="Grating.zip" size="3444803" user="zyvb137" version="1"

Revision 201 Dec 2016 - JamesAngthopo

Line: 1 to 1
 
META TOPICPARENT name="StewartBoogertSpectroscopy2016"
Finding optimal grating placement

  • Maxim DL 5, APT User
  • Cooled camera to -10C
  • He lamp
Changed:
<
<
  • For towards with centred grating, brightest line chosen at ~ mm
  • For away with centred grating, brightest line chosen at 5.2mm
>
>
  • For towards with centred grating, brightest line chosen at 4.8mm
  • For away with centred grating, brightest line chosen at 4.9mm
 
  • Blaze arrow towards camera focused at 21.69mm and 3.21mm
-- JamesAngthopo - 01 Dec 2016
Added:
>
>
META FILEATTACHMENT attachment="Grating.zip" attr="" comment="Scans of blaze arrow facing away and towards camera" date="1480594845" name="Grating.zip" path="Grating.zip" size="3444803" user="zyvb137" version="1"

Revision 101 Dec 2016 - JamesAngthopo

Line: 1 to 1
Added:
>
>
META TOPICPARENT name="StewartBoogertSpectroscopy2016"
Finding optimal grating placement

  • Maxim DL 5, APT User
  • Cooled camera to -10C
  • He lamp
  • For towards with centred grating, brightest line chosen at ~ mm
  • For away with centred grating, brightest line chosen at 5.2mm
  • Blaze arrow towards camera focused at 21.69mm and 3.21mm
-- JamesAngthopo - 01 Dec 2016
 
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