Introduction
Think REO is a leading manufacturer of high-performance Helium-Neon lasers, specializing in applications such as confocal microscopy, ellipsometry, particle counting, and food sorting. Their unique capabilities in design and fabrication, including in-house polishing and coating of laser mirrors, contribute to their leadership in the industry.

Product Features

• Long operational lifetime
• Superior beam pointing stability
• Excellent power stability
• High thermal stability

Specifications
Optical

• Minimum Output Power: 2.0 mW
• Maximum Output Power: 5.0 mW
• Power 3 Seconds After Turn-On: > 75%
• Linear Polarization: >500:1
• Mode Structure: TEM00 > 99%
• Beam Diameter: 0.74 mm
• Beam Divergence: 1.03 mrad
• Longitudinal Mode Spacing: 416 MHz
• Beam Drift After 20 Minute Warm-Up: < 0.2 mrad
• Long Term Beam Drift: < 0.05 mrad
• RMS Noise (30 Hz - 10 MHz): < 1%
• CDRH/CE Classification: IIIa/3R

Electrical

• Starting Voltage: < 10 kVDC
• Operating Voltage: 2300 VDC
• Series Resistors in Housing: 94 kΩ
• Operating Current: 5.25 mA
• Recommended Power Supply: 32880

Mechanical

• Weight: 650 grams
• Shock: 15 g for 11 msec
• Operating Temperature: -20 to +70°C
• Non-Operating Temperature: -40 to +80°C
• Operating Humidity: 80%
• Non-Operating Humidity: 95%
• Operating Altitude: 0 to 3,000 m
• Non-Operating Altitude: 0 to 6,000 m

Conclusion
Think REO's Yellow (594 nm) Cylindrical Helium-Neon Laser is designed for performance-critical applications, offering a combination of technical superiority and practical OEM solutions.