Spectrum-Physics HIPPO 1064 nm dual YVO4 pulse laser beam path, can anyone help?

Hello,

I have all of the the mirrors and optics on their mounts, Q-switches and YVO4 mounts with crystals from a Spectrum Physics 1064 nm HIPPO laser head and trying to understand the beam path, not quite getting how they combine the two beams together. Does anyone have experience with these or understand how the beam flows through the mirrors from the YVO4 crystals through to the output? Of course from the YVO4 and through the Q-Switch is a straight path, but how they combine is where I am getting a bit lost.

I'd like to reproduce what is happening in this assembled head, as below, so need to understand the path. I don't have anything but the parts from one of these heads, unfortunately.

The YVO4 crystals are FAP800 pumped by two 30 watt output 808 nm units.

https://i.ibb.co/zPB8VtW/1064nm-YVO4-HIPPO.png

https://i.ibb.co/8dZHCZj/Screen-Shot...1-58-48-PM.png

https://i.ibb.co/syG9YXh/Screen-Shot...2-12-07-PM.png

https://i.ibb.co/HdwX6Zx/Screen-Shot...2-15-33-PM.png

Videos: https://youtu.be/9ChmNFOxf6s ......and...... https://youtu.be/Lb6fX1lqTcA
SHG: https://youtu.be/ZIw8ULvLL6Y


More screenshot captures from videos here: https://imageevent.com/qdf_files/tec...-1&w=4&x=0&p=5