The ZYGO 7702 is a high - precision measurement device based on helium - neon technology, belonging to ZYGO's ZMI series of lasers. Here are the detailed contents:
The ZYGO 7702 is a high - performance industrial - grade laser interferometer or controller module, which is designed to provide stable and accurate measurement signals for various industrial and scientific applications. It features high - stability dual - frequency output, ensuring the accuracy and reliability of measurement results.
- Laser Wavelength: 632.8 nm.
- Measurement Range: Up to 300 mm in some cases, and there are also descriptions of up to 10 mm or 100 mm in different sources, which may be related to different application scenarios or configurations.
- Measurement Accuracy: Sub - nanometer level, and there are also records of 0.1 micrometer accuracy in some documents.
- Resolution: 1 nm or λ/100 (where λ is the laser wavelength).
- Output Power: Greater than 400 μW, and there are also mentions of 1 mW in some sources.
- Dimensions: 100 mm x 80 mm x 60 mm.
- Operating Temperature Range: Generally - 20°C to 50°C, and some sources also mention - 20°C to 70°C or - 10°C to 40°C, which may be due to different product versions or usage environments.
- Communication Interfaces: USB 2.0, Ethernet, RS - 232, etc. Different models may have different interface combinations.
- Control Accuracy: In the case of being used as a control module, the control accuracy can reach ±0.1% within a control range of 0 - 1000 RPM.
The ZYGO 7702 is widely used in semiconductor manufacturing, optical component manufacturing, precision machinery processing, laboratory measurement, scientific research and teaching, and other fields. It can be used for distance measurement, speed measurement, surface topography detection, and other measurement and sensing applications, as well as for quality inspection and precision measurement on production lines.
