• Two Beam Interference

• Multiple Beam Interference

• Free Spectral Range & Finesse

• Visiblity & Coherence Length

• Ideal & Real Fabry Perot

• Stability Criterion

• Spectral Analysis of HeNe Laser

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Within this kit the properties of optical resonators shall be shown to the students. For this purpose the Fabry Perot Resonator has been chosen because it is the most important and used of all laser resonators. Properties and behaviour will be presented as well as the characteristics like resonace, free spectral range and finesse of the resonator.

On the other hand the criterias of the different resonator types will be discussed and shown in measurements to the students. The final application of the Fabry Perot interferometer is the use as a spectrum analyzer for light, the scanning Fabry Perot. With the included HeNe Laser as the light source the mode spectra of this laser will be shown and measured.

The set-up includes all needed resonator mirrors exchangeable in adjustment holders. One is mounted on a piezo translator and controlled by a high voltage source to realize the scanning function. The laser beam is prepared with the needed optics to meet the demands of a Fabry Perot in the lab for demonstration
purposes. The evaluation of the measured signals will be done by a PIN-photo diode with an amplifier belonging to it.

The time resolved signals of the Fabry Perot will be shown synchronized to the piezo displacement on a oszilloscope (optional available).

Match Code
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CA-1140

Oder No.
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4900-9-1140