More about Laser - Article Series (3)

| In this third and last instalment on the show laser we tackle the construction and practical use of the LSI7000 control unit.

| LASER PART 2: CONTROl UNIT lSI7000 (CIRCUIT DESCRIPTIONS) Following last month& s description of the laser exciter and the mirror galvanomet...

| Over the last few years, a variety of low-power Helium-Neon (HeNe) laser tubes has founds its way in into the electronics surplus trade circ...