1. HP/Agilent 5517 Zeeman-Split HeNe Laser Mode Sweep Animation Sam's Laser FAQ (http://www.repairfaq.org/sam/lasersam.htm) Copyright © 1994-2011, Samuel M. Goldwasser, All Rights Reserved Cavity modes are shown along the bottom. Lasing modes are shown by red and blue vertical lines. Horizontal polarization/F1 is red and vertical/F2 is blue. Output (beam) power is shown for each mode location. Split frequency (if any) is shown for each mode location. Locked position is when the split mode is centered. Animation does two mode sweep cycles and then locks. Left-click on this slide to view 5517 laser mode sweep. (The left and right arrow keys may be used to change mode sweep speed. The right arrow expands the cavity. ESC to exit.)

2. Sam's Laser FAQ (http://www.repairfaq.org/sam/lasersam.htm) Copyright © 1994-2011, Samuel M. Goldwasser, All Rights Reserved