These are new, old stock 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-410 / Gammex  201A393
Output Power: 0.6 mW minimum, 1.4 mW typical
Wavelength: 632.8 nm RED
Polarization: Random
Mode: TEMoo
Beam Diameter: 0.95 mm
Beam Divergence: 1.35 mRads
Light Exit: Cathode end of tube
Operating Voltage: 1290 VDC with 75K ballast
Start Voltage: 10 KV
Operating Current: 4.5 mA Ideal
Recommended Ballast Resistor: 75 K Ohms, 3 Watt.
(Add in series to the anode lead within 3″ of the tube.)
Recommended Power Supply: E-15, DG-15, LAB-S-15
Dimensions: 7.9″ (200mm) long x 1.45″ (37mm) diameter.
Warranty: Limited 30 days from date of purchase.