In an opto isolator, a nontransparent hollow tube having {HEAD ~ a smooth inner surface} with mirror like qualities is used as the optical waveguide for coupling {TAIL ~ optical signals} between the transmitter module and the receiver module and for providing electrical transient isolation 
In an opto isolator , a nontransparent hollow tube having { HEAD ~ a smooth inner surface } with mirror like qualities is used as the optical waveguide for coupling { TAIL ~ optical signals } between the transmitter module and the receiver module and for providing electrical transient isolation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH