Search for: Welcome . . . to thePortland High School Class of 1967website! CLASS OF 1967 – 55th REUNION was a wonderful time to catch up with “old” friends! And now,Save the Date for our 58th Reunion: Columbus Day Weekend October, 2025. We decided that we had so much fun, we...
It has been known that optical density in a semiconductor laser diode is the highest at a light emitting facet. Therefore, the temperature rise is the largest in the vicinity of the light emitting facet and particularly, in high power output operation, the temperature rise and the increase in ...