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 05-LHP-122
Output Power: 2.0 mW minimum, 2.5 mW typical
Wavelength: 632.8 nm RED
Polarization: Linear polarized >500:1
Mode: TEMoo
Beam Diameter: 0.80 mm
Beam Divergence: 1.35 mRads.
Light Exit: Cathode end of tube.
Operating Voltage: 1400 VDC (1850 VDC with 75K ballast).
Start Voltage: 10 KV.
Operating Current:  6.5 mA Ideal
Recommended Ballast Resistor: 75 K 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: 8.9″ (228mm) long x 1.45″ (36.8mm) diameter.
Warranty: Limited 30 days from date of purchase.