633 nm Red Helium-Neon Laser

Product catalog summary

Overview: Think REO is a leading manufacturer of high-performance Helium-Neon (HeNe) lasers, specializing in applications such as confocal microscopy, ellipsometry, and particle counting. Their unique in-house capabilities in mirror polishing and coating contribute to their superior product quality.

Key Features:

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

Specifications:

Output Power: Ranges from 2 mW to 25 mW depending on the model
Polarization: Random or Linear (>500:1)
Mode Structure: TEM00 > 99%
Beam Diameter: Varies from 0.8 mm to 0.98 mm
Beam Divergence: Ranges from 0.82 mrad to 1.01 mrad
Longitudinal Mode Spacing: Ranges from 252 MHz to 566 MHz
Beam Drift: < 0.2 mrad after 20 minutes warm-up, < 0.05 mrad long-term
RMS Noise: < 1% (30 Hz - 10 MHz)
CDRH/CE Classification: IIIa/3R or IIIb/3B

Electrical Specifications:

Starting Voltage: < 10 kVDC
Operating Voltage: Ranges from 1800 VDC to 3500 VDC
Operating Current: Ranges from 5.25 mA to 7 mA
Recommended Power Supply: Varies by model

Mechanical Specifications:

Weight: Ranges from 600 grams to 840 grams
Shock Resistance: 15 g for 11 msec
Operating Temperature: -20°C to +70°C
Non-Operating Temperature: -40°C to +80°C
Operating Humidity: 80%
Non-Operating Humidity: 95%
Operating Altitude: 0 to 3,000 meters
Non-Operating Altitude: 0 to 6,000 meters

Dimensions:

Length: Varies from 330.2 mm to 660.4 mm
Diameter: 44.5 mm

Safety Notice: The lasers are classified as Class 3B and Class 3R products, requiring caution to avoid exposure to the beam.

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