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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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characterization_machine_documentation [2015/06/16 17:12] sgneitin |
characterization_machine_documentation [2015/07/21 12:46] (current) sgneitin ↷ Links adapted because of a move operation |
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| ^ ^ Red ^ Green ^ Blue ^ | ^ ^ Red ^ Green ^ Blue ^ | ||
| | Laser Voltage | 5V | 5.5V | 6.5V | | | Laser Voltage | 5V | 5.5V | 6.5V | | ||
| - | | Angular Reading | 354° | 356° | 358° | | + | | Angular Reading | 354° | 357° | 5° | |
| - | | Center Frequency | 425 MHz | 490 MHz | 570 MHz | | + | | Center Frequency | 450 MHz | 480 MHz | 550 MHz | |
| ==Alignment== | ==Alignment== | ||
| Now that you have mounted the device you are ready to align the machine. Using the table in the section before do the following: | Now that you have mounted the device you are ready to align the machine. Using the table in the section before do the following: | ||
| - | - Connect the RF cable to the Transducer you wish to test. | + | - Connect the RF cable to the Transducer you wish to test. {{ ::a7_070.jpg?200| }} |
| - Power on the Laser to the appropriate voltage. | - Power on the Laser to the appropriate voltage. | ||
| - Check the polarization (adjust for least light transmitted through a horizontal polarizor). | - Check the polarization (adjust for least light transmitted through a horizontal polarizor). | ||
| - With the adjustable aperture all the way open rotate the sample and position it to the correct angular reading. | - With the adjustable aperture all the way open rotate the sample and position it to the correct angular reading. | ||
| - | - Adjust the XY stage and rotation stage until waveguiding in the desired mode is achieved. | + | - Adjust the XY stage and rotation stage until waveguiding in the desired mode is achieved. It should look like the picture on the right. |
| - Set RF generator to the correct center frequency. (Verify that is is outputting a signal and that the amplifier is on) | - Set RF generator to the correct center frequency. (Verify that is is outputting a signal and that the amplifier is on) | ||
| - Move the platform vertically until you see deflected light. | - Move the platform vertically until you see deflected light. | ||
| Line 59: | Line 58: | ||
| - Hit Run | - Hit Run | ||
| - | Now you just have to wait for the results. | + | Good results look like this: |
| + | {{:samples:a:aom-a1-green-6.10.2015-8.55am-graph.jpeg?300|}} | ||
| Once you have finished testing all colors and modes run it through the Matlab code to compare results. | Once you have finished testing all colors and modes run it through the Matlab code to compare results. | ||
characterization_machine_documentation.1434496332.txt.gz · Last modified: 2015/06/16 17:12 by sgneitin
