Custom Size CaF2 Optical Window, AR Coated

Product description

Calcium Fluoride (CaF2) High-Precision Windows are ideal for applications in thermal imaging and laser systems, offering high transmission across a broad wavelength range from 180 nm to 8 μm. These windows are available in uncoated or broadband anti-reflective (AR) coated options, providing flexibility for various optical requirements. With low absorption and high damage thresholds, they are suitable for demanding environments, including cryogenically cooled systems and excimer lasers. The precise manufacturing tolerances ensure consistent performance across batches.

Key Features

Wavelength Range: 180 nm - 8 μm for versatile application fit.
Thickness Tolerance: ±0.05 mm ensures precision in optical setups.
Parallelism: ≤3 arcmin for enhanced alignment accuracy.
Clear Aperture: ≥90% maximizes light transmission efficiency.
Low Absorption Coefficient for high performance in laser applications.

Applications

Thermal Imaging

Specification Summary

Item	Value
Material	CaF2
Diameter	Custom
Thickness	0.5 mm
Coating	anti-reflective (AR), uncoated
Transmission bands	LWIR (8-14 μm), MWIR (3-5 μm), SWIR (1.7-3 μm), NIR (0.7-1.7 μm), VIS (400-700 nm), UV (<400 nm)
MOQ	—

Full Specifications

Parameter	Value
Substrate	Calcium Fluoride
Parallelism	≤3 arcmin
Flatness	Lambda/2
Clear Aperture	≥90%
Diameter Tolerance	+0/-0.1mm
Thickness Tolerance	±0.05mm

FAQ

What are the available coatings for these windows?

The windows are available either uncoated or with a broadband anti-reflective coating.

What is the thickness tolerance for these windows?

The thickness tolerance is ±0.05 mm, ensuring high precision.