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A laboratory exercise conducted at southern polytechnic state university's ecet 3410 course, focusing on optical spectrum analysis using the ms96a optical spectrum analyzer. Students are required to characterize the wavelength-color perception of their vision system, record spectra of red light, an incandescent lamp, and a fiberoptic led, and analyze the results. The exercise includes cautions, procedure, and analysis sections.
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In this exercise you will work with some of the information discussed in class and in your textbook to become acquainted with spectral measurements and the MS96A Optical Spectrum Analyzer.
Never connect an LED to a DC supply without an appropriate series current-limiting resistor. Always check the polarity of the supply before energizing – reverse biasing the LED will destroy it immediately.
Note: this TYPEFACE literally denotes a control on an instrument’s front panel this TYPEFACE literally denotes a label on an instrument’s front panel
The best way to find the spectrum is to select LOG (Scale), AUTOSCALE , and SINGLE (Sweep Mode). Then, refine the display using the WAVELENGTH and SCALE controls until the spectrum display is adequate. Finally, choose LINEAR (Scale) so that your spectrum will be comparable to those on data- sheets and in your textbook. Print a hardcopy of this final spectrum display using the instrument’s internal printer.
In a (computer generated) memo format of no more than two pages (excluding exhibits), pull the following information together and advise the reader of what was done and what the important results were. Assume that the reader of your memo is technically trained but very busy; thus the memo should be concise and professionally formatted such that any important results are easy to identify.
Which source is closest to monochromatic? Explain.
Attach a copy of your raw data (spectral plots) to the back of your memo.