350x1 mm CaF2 Round Optical Window, AR Coated

Product description

The Calcium Fluoride (CaF2) round optical windows are designed for thermal imaging applications, providing excellent optical performance across a wide transmission range from 0.2 to 8 μm. With a diameter of 350 mm and thickness options from 1.0 to 30.0 mm, these windows are suitable for various high-power laser and UV laser optics. Their low absorption and high damage threshold make them ideal for demanding environments.

Key Features

Diameter of 350 mm with a tolerance of +/-0.1 mm ensures precise fit for applications.
Thickness options from 1.0 mm to 30.0 mm allow for versatility in design.
Surface quality rated at 60/40 provides reliable optical clarity.
Clear aperture greater than 90% maximizes light transmission.
Available coatings include AR and uncoated for tailored performance.

Available Sizes

Diameter x Thickness (mm)
350 x 15.5

Applications

Thermal Imaging

Specification Summary

Item	Value
Material	CaF2
Shape	Round
Diameter	350 mm
Thickness	1 mm
Surface Quality	60/40
Coating	anti-reflective (AR), uncoated, high-reflective (HR)
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
Diameter Tolerance	+/-0.1mm
Thickness Tolerance	± 0.1mm
Clear Aperture	>90%
Bevel	0.1~0.5mm x 45 degree

FAQ

What are the available custom sizes?

Currently, the variant size available is 350 mm in diameter with a thickness of 15.5 mm.

What are the tolerances for diameter and thickness?

Diameter tolerance is +/-0.1 mm, and thickness tolerance is ±0.1 mm.