These are new, hard sealed laser tubes for your OEM, replacement, or experimental needs. For output stability, it is recommended that the tube be mounted in a housing, held by non metallic (thermally isolated) mounts 2 to 3 inches in from each end on the glass reservoir. Specifications: Manufacture / Part Number: Melles Griot, model 05-LGR-192 Output Power: 1.2mW minimum, 1.6mW typical, 2.2mW maximum. Wavelength: 543.5nm GREEN Polarization: Random Mode: TEMoo Beam Diameter: 0.80mm Beam Divergence: 0.86mRads. Light Exit: Cathode end of tube. Operating Voltage: 2800 VDC (with 75K ballast). Start Voltage: 12KV. Operating Current Range: 6 to 7mA, 6.5mA Ideal. Recommended Ballast Resistor: 75K Ohms, 5 Watt. (Add in series to the anode lead within 3″ of the tube.) Recommended Power Supply: DG-28, SR-40, LPM-846-065. Dimensions: 19″ long x 1.5″ diameter.
