20 mW HeCd's
Posted: Thu Aug 22, 2019 10:18 am
Sam and I still have TWO 20 mW Melles Griot (Onnichrome) HeCd lasers with new tubes sitting in the boxes. Used power supply and cables. No hours. $1K shipped to the USA! If anyone wants one I will take out of the box and re-test. 441.6 nm , 10 cm or more coherence length. Phil and Sam