Optical Flat

Surface Creation and Solutions

Optical Flat
  • Grind-Lap Optical Flats are precision-engineered tools designed for accurate flatness measurement using the Cheklite monochromatic light source. Made from high-grade fused quartz, these flats deliver consistent and reliable interference patterns for non-contact, visual flatness inspection.
Key Features
  • Standard Grades: λ/4, λ/10, and λ/20 accuracy grades. Also available in customised accuracy grades based on the requirement.
  • Single-sided or double-sided polishing
  • Standard Sizes from 25 mm to 300 mm diameter. Also available in customised diameters.
Cheklite Compatible
  • When paired with Grind-Lap's Cheklite, our optical flats provide sharp, high-contrast interference fringes—ideal for checking surface flatness of gauges, lapped components, and tools.
Applications
  • Inspection of precision gauges and tools
  • Flatness verification in quality control
  • Calibration labs and R&D centers
Why Grind-Lap?
  • With decades of expertise in lapping and metrology, Grind-Lap delivers products trusted for their precision, durability, and performance.