He Ne laser has 2=633 nm which has a confocal cavity with (r) 0.8 m. If the cavity length 0.5 m and Ri=R2=97%, a lens of
Posted: Tue May 17, 2022 8:32 pm
He Ne laser has 2=633 nm which has a confocal cavity with (r) 0.8 m. If the cavity length 0.5 m and Ri=R2=97%, a lens of F number 1 the radius of the focused spot Calculate ... 1- Beam diameters in a confocal cavity(w.) 2- Beam divergence of the confocal laser cavity 3- Linewidth of a laser 4-The coherence time 5- The radius of the focused spot 6-The gain coefficient 7-The longitudinal modes separation 8- the separation between pulses 9-number of modes oscillating 10-d pulse duration.