PHYS 4C: Laser Communicator Project

This is a blog, run by a group of students, created to keep track of the process of building a laser communicator. This blog presents about everything we used and did in order to build a working laser communicating device. We also presented some of the data collected in order to do analysis concerning with sound and light waves.

Thursday, June 14, 2012

Collected Data


Laser Diameter (mm)
6.0 ± 0.1
Vsupply (V)
3.06 ± 0.005
Vacross (V)
1.07 ± 0.005
Current (mA)
4.6 ± 0.05
Rcircuit (Ω)
220 ± 1
Vdrop (V)
2.53 ± 0.02
Rlaser (Ω)
432.6 ± 25.8

Equation used
Rlaser  =  Vdrop/Current =  (Vsupply - Vacross )/Current
Posted by Hnin (Yileen) at 6:03 PM
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Contributors

  • Emily
  • Hnin (Yileen)
  • physics4Cjlin
  • profmason

Blog Archive

  • ▼  2012 (18)
    • ▼  June (15)
      • Set-up of the circuit using the breadboard
      • Error that contributes to uncertainties
      • Is the criteria of success fulfilled?
      • Input vs. Output frequencies
      • Objectives/ Criteria for Success
      • A computational model of sound waves in 3 dimensio...
      • Light intensity and sound pressure amplitude relat...
      • Computed quantities for the laser beam
      • Comparison of input and output wavelengths and fre...
      • Difficulties We Encountered
      • Collected Data
      • How data were collected?
      • How does the device work?
      • A working Laser Communicator
      • Internal structure of 358 op-amp and 2904 transistor
    • ►  May (1)
    • ►  April (2)
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