Precision Optical Flat 4542-0018

Specifications

Diameter: 200 mm
Thickness: 38 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
Document icon Download Data Sheet Download icon

Features


  • High-Quality Material: Made from Fused Silica for superior optical performance, with an option for BK7 for less demanding applications.

  • Precision Flatness: Available with flatness specifications of λ/10 or λ/20, ensuring high accuracy in surface flatness measurement.

  • Versatile Options: Choose between single-sided and double-sided optical flats to suit your specific needs.

  • Wide Size Range: Available in diameters from 25mm to 200mm, accommodating various applications.

  • Precision Ground and Polished: Ensures optimal surface quality and performance.

  • Cost-Effective BK7 Option: Offers a lower-cost alternative with reduced quality for less critical applications.

  • Surface Quality: 60/40 surface quality ensures minimal imperfections.

  • Parallelism: Less than 1 arc minute, providing excellent alignment.

  • Back Surface (Single): 1-2 λ @ 633nm for precise measurements.

  • Dimensional Tolerances: Diameter tolerance of ±1mm and thickness tolerance of ±1.5mm.

  • Custom Options Available: Custom versions can be made to your specifications. Contact us for a quotation.

  • Optional Carrying Case: Available for purchase to protect your optical flats.

Applications


  • Surface Flatness Measurement: Serves as a reference surface for precise optical metrology.

  • Optical Windows: Can be integrated into optical setups as high-quality transparent windows.

  • Laser Systems: Ideal for alignment, beam splitting, and interferometric applications.

  • Scientific Research: Widely used in labs for physics, optics, and photonics experiments.

  • Calibration Standards: Provides reliable baseline for calibrating other optical components.