Zinc Selenide Optical Windows, ZnSe Windows & ZnSe Lenses

Discover the Exceptional Properties of Zinc Selenide Optical Windows and ZnSe Lenses

Searching for superior optical performance? Zinc Selenide optical windows, ZnSe windows, and ZnSe lenses offer the perfect solutions for imaging systems and laser applications. With exceptional infrared transparency from 0.5 μm to 22 μm, low dispersion, and excellent chemical stability, these optical components deliver unmatched precision.

Zinc Selenide optical windows and ZnSe lenses are non-hygroscopic, resistant to moisture, and highly durable across a variety of environments. However, their soft surfaces require proper handling to maintain optimal quality. Enhance your optical systems today with the reliability and precision of ZnSe windows, Zinc Selenide optical windows, and ZnSe lenses.

ZnSe optical windows, ZnSe windows, and ZnSe lenses are highly valued infrared optical materials, recognized for their remarkable transmission range and durability. These properties make them the preferred choice for infrared optics, laser systems, and spectroscopy. With an impressive transmission range spanning 0.6 to 21 μm, they are versatile solutions for a wide array of infrared technologies. At 10.6 μm, Zinc Selenide exhibits a refractive index of 2.4028, ensuring efficient optical performance tailored for infrared applications. Its reflection loss at this wavelength, across two surfaces, is 29.1%, making it ideal for energy retention in infrared laser systems.

When it comes to absorption coefficients, Zinc Selenide displays exceptional efficiency, boasting values such as 0.0005 cm⁻¹ at 10.6 μm and 0.0004 cm⁻¹ at 5.25 μm and 3.8 μm, with slightly higher coefficients at shorter wavelengths. The Reststrahlen Peak at 45.7 μm further highlights its suitability for thermal imaging systems. Featuring a dn/dT of +61 x 10⁻⁶/°C at 10.6 μm (298K), this material maintains stable refractive index shifts despite temperature changes. Its density of 5.27 g/cc combines lightweight characteristics with strong structural integrity, while a melting point of 1525°C ensures reliability even in high-temperature environments.

Zinc Selenide optical windows, ZnSe windows, and ZnSe lenses offer exceptional thermal conductivity at 18 W/m·K (298K), making them ideal for heat dissipation in high-energy systems. Their thermal expansion coefficient of 7.1 x 10⁻⁶/°C (273K) guarantees dimensional stability, and their Knoop hardness of 120 (500g indenter) ensures wear resistance. Specific heat capacity at 339 J/kg·K enables efficient thermal management in precision optical systems.

Further material specifications include a Young’s Modulus of 67.2 GPa, a Bulk Modulus of 40 GPa, and an Apparent Elastic Limit of 55.1 MPa (8000 psi). Zinc Selenide also features a Poisson’s Ratio of 0.28, minimal solubility in water at 0.001 g/100g, and a molecular weight of 144.33. With its FCC cubic crystal structure (F43m, #216), resembling the Zinc Blende polycrystalline formation, this material is an excellent choice for precision infrared optical systems, thermal imaging, and advanced laser applications. Proper handling ensures their optical and structural qualities are preserved, maintaining peak performance across diverse applications.