1. Graduate the monochromator by using graduation light source with known spectr

Question

1. Graduate the monochromator by using graduation light source with known spectrum. 2. Use the obtained graduation curve to determine the wavelengths of brightest lines for te light source. +3. Compare defined wavelengths with an etalon spectrum. Type, number Meusurin The value of smallest scale Ni Title 1 Spectrometer 1 3413 35001 Graduation light source: Test light source: colour 2460 1850 56 1,6 2.244 1 546, hl 23 12 2. Red 259 43.314 11.39 A 3A 8. 10 12. 13 12.1 96,2 | 1s59 3.18 14 Co13256o 15612 3532 18. 18.690t 2860

Explanation / Answer

Here in the appointment number 3 you have to perform the same experiment on Fabry-Perot Interferometer which is also called as Etalon spectrometer (and the following spectrum as Etalon spectrum).

Make the known colored lights pass through the interferometer and using the spacing between the two mirrors and find the required wavelength.

After this compare the two spectrum, the one given by you and the etalon one.

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