Zygo 7702

Technical Specifications
  • Laser Type: Dual-frequency helium-neon (HeNe) laser with 632.8 nm wavelength.
  • Output Power: >400 μW, ensuring strong signal-to-noise ratios in interferometric setups.
  • Beam Diameter: 3 mm or 6 mm options, compatible with various optical configurations.
  • Frequency Stability:
    • Standard models: Air-cooled design for typical industrial environments.
    • 7714/7724 variants: Water-cooled systems for sub-nanometer thermal stability, critical for ultra-high-precision applications.
  • Optical Isolation: Built-in isolation to prevent back-reflection interference from measurement components, enhancing system robustness.

Zygo 7702

Product Name

  • Full official product name: ZYGO ZMI™ 7702 Dual-Frequency HeNe Heterodyne Laser Head (Displacement Measuring Interferometer Laser Source)
  • Short model designation: ZYGO 7702
  • Full part number prefix: 8070-0102-XX (suffix digits define sub-variant specifications)

ZYGO ZMI-2002 8020-0211-1-J Precision Measurement System

Technical Specifications:
  • The ZMI-2002 operates based on innovative interferometry principles, offering nanometer-level precision for surface form measurements.
  • It supports a wide range of optical configurations to accommodate diverse measurement needs.
  • Capable of providing high-resolution data, which ensures accurate characterization of surfaces and components.

ZYGO ZMI-4004

Technical Specifications
  • Resolution: 0.15 nm
  • Velocity: 2.55 m/sec
  • Number of Axes: 4 axes per board
  • Data Rate: 10 MHz
  • Connection Types: ST fiber optic and HSSDC electrical connections

ZYGO ZMI‑4104C

Product Brief Introduction

Manufactured by ZYGO Corporation (AMETEK Group, USA), this product is the core signal processing unit of ZMI series heterodyne laser displacement interferometer system, exclusively developed for converting interference optical signals from ZYGO laser interferometer sensors into digital displacement data. The board follows global industrial VME64x specification, executes real‑time high‑precision signal demodulation, environmental refractive index compensation and cyclic error correction, outputs standardized digital measurement signals for upper motion control system.