Precision Optical Flat 4542-0014

Specifications

Diameter: 150 mm
Thickness: 25 mm
Substrate: Fused Silica
Flatness: lambda/10
Single Or Dual Surface: Single
Ref. Index: 1.458
Abbe Number: 67.7
Exp. Coefficient: 0.55 Per degree Celsius
Surface Quality: 60-40 scratch-dig
Parallelism: 1 arc min
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Features


  • High Precision Optical Flats: Made from Fused Silica, these optical components are used as a reference to determine the flatness of unknown surfaces.

  • Material Options: Available in both Fused Silica and BK7 for varying levels of precision and cost-effectiveness.

  • Flatness Specifications: Choose from λ/10 or λ/20 for Fused Silica, and λ/4 or better for BK7, ensuring high accuracy for different applications.

  • Single and Double-Sided Options: Available in both single and dual surface configurations to meet diverse needs.

  • Size Range: Optical flats available in diameters from 25mm to 200mm, with thicknesses ranging from 12.5mm to 38mm.

  • Precision Ground and Polished: Ensures superior surface quality with a surface quality rating of 60/40 and parallelism of less than 1 arc minute.

  • Durable and Reliable: Made from high-quality materials with a density of 2.53 g/cm³ for BK7 and 2.2 g/cm³ for Fused Silica.

  • Thermal Stability: Low expansion coefficients of 7.1 × 10⁻⁶/°C for BK7 and 0.55 × 10⁻⁶/°C for Fused Silica ensure stability under varying temperatures.

  • Customizable: Custom versions available upon request. Send your drawings or specifications for a tailored solution.

  • Optional Carrying Case: Protect your optical flats with a carrying case available for purchase (CASE-S for up to 100mm, CASE-L for 150mm & 200mm).

Applications


  • Surface Flatness Measurement: Serves as reference for evaluating unknown surfaces.

  • Optical Windows: Integrates into optical systems requiring high-quality glass.

  • Laser & Photonics Systems: Ideal for beam alignment, interferometry, and optical calibration.

  • Scientific Research: Used in physics, photonics, and advanced laboratory experiments.

  • Calibration Standards: Provides precise baselines for optical instrumentation.