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


Manufacture / Part Number: Melles Griot, model R302
Output Power: 2.0mW minimum, 2.7mW typical
Wavelength: 632.8nm RED
Polarization: Random
Mode: TEMoo
Beam Diameter: 1.0mm
Beam Divergence: 1.0mRads.
Light Exit: Cathode end of tube.
Operating Voltage: 2000 VDC (with 75K ballast).
Start Voltage: 10KV.
Operating Current Range: 5.5 to 6.5, 6.0mA 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: 10.6″ long x 1.5″ diameter.
Warranty: Limited 30 days from date of purchase.