These are rebuilt heads with new laser tubes installed for your OEM, replacement, or experimental needs. Heads have integral ballast resistor, mechanical shutter, and mounting holes for accessories. Other types of heads may be available. Please call for more information. Specifications: Output Power: 1.9 mW minimum, 2.4 mW typical, 3.5 mW maximum. Wavelength: 632.8nm RED Polarization: Linear, 500:1 Mode: TEMoo Beam Diameter: 0.80 mm Beam Divergence: 1.35 mRads. Aperture Mount: 4x 4-40 threaded holes, 25.4 mm Square spacing. Operating Voltage: 1800 VDC. Start Voltage: 10KV. Operating Current Range: 5.5 to 6.5 mA, 6.0 mA Ideal. Input Lead: Male Alden connector with a 229 mm long cord. (extension cord available) Recommended Power Supply: LAB-S-22, DG-22, E-21, F-22. Dimensions: 274 mm long 44.5 mm diameter. Warranty: Limited 30 days from date of purchase.
