Technical Guide: Understanding ZnSe Material Properties

CVD ZnSe Material Properties Overview

This technical guide provides essential information for engineers working with Zinc Selenide optics.

Optical Properties

• Transmission Range: 0.5-20 μm
• Refractive Index: ~2.4 at 10.6 μm
• Absorption Coefficient: <0.0005 cm⁻¹

Mechanical Properties

• Knoop Hardness: 105-120 kg/mm²
• Young's Modulus: 6.72 × 10¹⁰ Pa
• Thermal Expansion: 7.1 × 10⁻⁶ /K