{TAIL ~ a plunger body} having {HEAD ~ a port} between said laser diode and said receptor, wherein said port is aligned with said laser beam 
{ TAIL ~ a plunger body } having { HEAD ~ a port } between said laser diode and said receptor , wherein said port is aligned with said laser beam
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH