These are new, old stock 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 05-LHR-004
Output Power: 0.6 mW minimum
Wavelength: 632.8 nm RED
Polarization: Random
Mode: TEMoo
Beam Diameter: 0.47 mm
Beam Divergence: 1.7 mRads
Light Exit: Cathode end of tube.
Operating Voltage: 1430 VDC (with 68 K ballast)
Start Voltage: 8 KV
Operating Current: 4.0mA Ideal
Recommended Ballast Resistor: 68 K Ohms, 3 Watt
(Add in series to the anode lead within 3″ of the tube.)
Recommended Power Supply: E-15, DG-15
Dimensions: 5.3″ (145 mm) long x 1.0″ (25.4 mm) diameter
Warranty: Limited 30 days from date of purchase.