II-VI AL Witness Sample Optical Window

This II-VI AL witness sample is a precision optical window manufactured from aluminum-based optical material (AL) and intended for CO₂ laser and infrared optical system verification. The sample measures 1 inch in diameter with a 0.250 inch thickness and features a 10.6 µm coating, optimized for CO₂ laser wavelength performance.

Designed as a witness sample, this optic is typically used to validate coating processes, transmission performance, and surface quality in high-power laser and IR applications. The optic includes PO/PG polishing grades and SPT/UC surface preparation, ensuring consistent optical quality and reliable measurement results.

Commonly used in laser coating verification, optical testing, research laboratories, and industrial laser systems, this II-VI witness sample is ideal for engineers and researchers working with mid-infrared optics.

Key Specifications

• Manufacturer: II-VI

• Type: AL Witness Sample Optical Window

• Diameter: 1 inch

• Thickness: 0.250 inch

• Material: Aluminum-based optical material (AL)

• Coating: Optimized for 10.6 µm (CO₂ laser wavelength)

• Polishing: PO/PG

• Surface Prep: SPT/UC

• Application: CO₂ laser systems, IR optics testing, coating verification