User:Linh N Le/Notebook/2009/06/25: Difference between revisions

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**Here are the [http://kochlab.private.openwetware.org/wiki/User:Linh_N_Le/Notebook/2008-7-1 notes] from when I did it last year. They are on the private wiki so those w/o access can email me if they really want to read them  
**Here are the [http://kochlab.private.openwetware.org/wiki/User:Linh_N_Le/Notebook/2008-7-1 notes] from when I did it last year. They are on the private wiki so those w/o access can email me if they really want to read them  
*For the second photo, the max value is only 248, meaning that the photo is not saturated (255 is saturated according to me last year)
*For the second photo, the max value is only 248, meaning that the photo is not saturated (255 is saturated according to me last year)
**Following my old methods, multiply 248 by 1/e^2 = 33.5
**pixles 220 and 476, distance of 256.
**256 times 5.6e-6 1.4e-3 meters
***1.4mm
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Revision as of 15:27, 25 June 2009

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To Do

  • Profile Evan's laser
  • Move stuff into the other lab
  • Get access to the other lab (key)
  • Play with the chemicals list some more (Need to talk to Andy about this)

Laser + new lab

  • Koch doesnt want me to take kochlab-daq2 to the new lab, so i will try to dig up an older computer to do so
  • We did set it up and took a look yesterday
    • The laser is 1.6W, Koch advises me to be extra careful with this laser
    • Also need Andy to tell me where the IR imaging cards are
  • Will try to use the CCD camera and labview to analyze the beam
    • We will try it at it's threshold power to for safety
    • Will then try with ND filters
      • Eventually we want to try it out at full power, but I'm afraid of melting ND filters
  • CCD Cam successfully installed on daq2

Laser Images

  • Currently, the laser has been running for ~20mins, which should be sufficient warm up time
  • I will trying to look at the laser with its power ~38mW
    • Note: Koch set it to 50mw, then before i left to get some optics it was 43mw, now its only saying 38mw
  • Will also place a ND3 filter in front of the CCD
  • Took a pic at 13in away, nd 3 filter, 8.65A, 11% .02W

Analysis

  • It has been almost a year since the last time I tried doing this, so I kinda forgot how I did it
    • Here are the notes from when I did it last year. They are on the private wiki so those w/o access can email me if they really want to read them
  • For the second photo, the max value is only 248, meaning that the photo is not saturated (255 is saturated according to me last year)
    • Following my old methods, multiply 248 by 1/e^2 = 33.5
    • pixles 220 and 476, distance of 256.
    • 256 times 5.6e-6 1.4e-3 meters
      • 1.4mm