These are new, hard sealed laser tubes for your OEM, replacement, or experimental needs. Other types of tubes may be available. Please email us for more information.


Manufacture / Part Number: Melles Griot, model LGR120
Output Power: 0.3 mW minimum, 0.6 mW typical
Wavelength: 543.5 nm GREEN
Mode: TEMoo
Beam Diameter: 0.85 mm
Beam Divergence: 1.2 mRads.
Light Exit: Cathode end of tube.
Operating Voltage: 1650 VDC (with 75K ballast).
Start Voltage: 10KV.
Operating Current Range:  5.0 mA Ideal.
Recommended Ballast Resistor: 75K Ohms, 5 Watt.
(Add in series to the anode lead within 3″ of the tube.)
Recommended Power Supply: E-21, F-22, DG-22, LAB-S-22.
Dimensions: 8.5″ long x 1.5″ diameter.
Warranty: Limited 30 days from date of purchase.