Description

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　　Technical Parameters and Performance Features

　　Core Parameters:

Wavelength and Power: Standard HeNe laser wavelength is 632.8nm (red light), output power range is 0.5-35mW, typical configuration is TEM00 fundamental mode Gaussian beam, power stability is ±5%, divergence angle ≤1.9mrad.

Structure and Dimensions: Cavity length 270mm, overall dimensions 63×63×270mm, package tube dimensions φ47×250mm, weight approximately 1.2kg, input voltage 220V±10%, operating current 4-5mA, lifespan >5000 hours.

Special Features: Dual-frequency output design with optical isolation technology to mitigate interferometer back-reflection interference; water-cooled models (such as the 7714/7724) achieve higher frequency stability; some models integrate a ZMI measurement housing to support multi-axis measurement.

Wavelength Accuracy: 632.8nm, beam diameter adjustable from 6-102mm, coherence length exceeding 100 meters.

Measurement Accuracy: ≤0.1μm (nanometer level), frequency stability <0.1ppm/hour, temperature drift <0.01°C/hour.

Output Characteristics: Dual-frequency output, supports water-cooling/optically isolated configurations. The 7714/7724 models utilize water cooling technology for enhanced stability.

　　Special Design:

Optical isolation mitigates back-reflection interference and extends service life.

Compatible with the ZMI 501A measurement housing and ZMI 240x/4X04 series measurement boards, supporting multi-axis measurement (up to two axes).

　　Application Areas

Industrial Manufacturing: Semiconductor lithography machine alignment, wafer positioning, CNC machine tool position feedback, and precision part dimensional control.

Research and Metrology: Nanoscale length benchmark measurement, surface topography inspection (e.g., optical components and OLED panels), quantum interference experiments, and gravitational wave detection.

Aerospace and Medical: Satellite lens calibration, aircraft engine deformation monitoring, laser positioning for ophthalmic surgery, and medical imaging.

Emerging Technologies: Autonomous driving lidar, 5G fiber-optic communications, and ultra-precision machining (e.g., laser cutting/welding).

　　Maintenance and Repair Guide

　　Daily Maintenance:

Regularly check the laser tube for aging (e.g., bulging, leaks), and use a multimeter to monitor the output voltage (normally 310V).

Clean the optical components (lenses and reflectors) to avoid dust contamination, and adjust the grating tabs to ensure a level beam.

　　Troubleshooting:

If the laser does not emit light: Check the enable switch and unlock password, and use the host computer software to diagnose the alarm.

Output Drift: Calibrate the frequency stability and troubleshoot the power management chip or transformer.

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