Visible Optical Source

Helium-Neon laser source model: 1105; laser power supply model: 1202-1, made by Uniphase. It lost key of on-off switch. When we short the two poles of the on-off switch, the laser power supply works fine. Laser mount (2-axis optical positioning linear stage) model: 813, made by Newport, there are two micrometers, one micrometer is with sleeve cover with red end (see photo).