{HEAD ~ The resonator} for {TAIL ~ a laser} 1 further comprising turning optics affixed to the optics plate and configured to intercept the fourth reflected beam 
{ HEAD ~ The resonator } for { TAIL ~ a laser } 1 further comprising turning optics affixed to the optics plate and configured to intercept the fourth reflected beam
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH