• Wavelength: 543 nm
• Minimum Output Power: 2.0 mW
• Power 3 Seconds After Turn-On: > 75%
• Polarization: Random
• Mode Structure: Multimode
• Beam Diameter: ≈2.58 mm
• Beam Divergence: ≈4.68 mrad
• Longitudinal Mode Spacing: 303 MHz
• Beam Drift After 20 Minute Warm-Up: < 0.2 mrad
• Long Term Beam Drift: < 0.05 mrad
• Noise (30 Hz - 10 MHz): < 1% rms
• Starting Voltage: < 10 kVDC
• Operating Voltage: 2500 VDC
• Series Resistors in Housing: 94 KΩ
• Operating Current: 5.25 mA
• Shock: 15 g for 11 msec
• Weight: 750 grams
• Dimensions: Length 533.4±1.0 mm (21.00±0.04”), Diameter 44.5±0.5 mm (1.75±0.02”)
• Maximum Output Power: 5.0 mW
• CDRH Classification: IIIa
• Recommended Power Supply: LPS or CPS

• Operating Temperature: -20 to +70° C
• Non-Operating Temperature: -40 to +80° C
• Operating Humidity: ≤ 80%
• Non-Operating Humidity: ≤ 95%
• Operating Altitude: 0-3,000 meters
• Non-Operating Altitude: 0-6,000 meters

• Four holes with 4-40 UNC threading on a 36mm (1.417") diameter bolt circle
• 1/4 Turn Shutter
• 1.8 meter (6 ft.) coaxial cable with high voltage connector

Laser radiation warning: Avoid direct exposure to beam. Helium-Neon Laser less than 5.0 mW Max CW, Class IIIa Laser Product.

Research Electro Optics, Inc., 5505 Airport Boulevard, Boulder, Colorado 80301. Phone: (303) 938-1960, Fax: (303) 447-3279