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.