LBTEK-Your Trusted Partner For Optoelectronic Experiments!

Product Description

Optical Material: N-BK7
Operating Wavelength: 1100 nm-1650 nm

LBTEK offers N-BK7 precision windows, which exhibit excellent transmission performance in the visible and near-infrared spectral ranges. For details, see the transmittance curve. LBTEK provides uncoated windows, as well as windows with anti-reflection coatings for 400 nm-700 nm, 700 nm-1100 nm, and 1100 nm-1650 nm ranges. Various thicknesses are available, and custom services for special sizes and coating specifications can also be provided. For inquiries, please contact LBTEK Technical Support.

Attribute

Optical component materialN-BK7

Operating Wavelength1100 nm -1650 nm

Surface Flatness (@633 nm)λ/10

Surface finish (scratches/pits)20/10

Clear Aperture90% CA

Surface Parallelism≤5 arcsec

N-BK7 Windows, AR Coating: 1100 nm-1650 nm

Optical Material: N-BK7
Operating Wavelength: 1100 nm-1650 nm

N-BK7 windows exhibit high transmittance in both the visible and mid-infrared spectral ranges. All LBTEK circular lenses can be mounted in LBTEK standard lens tubes, fixed lens holders, and various coaxial mounting plates. Customers can select the optimal mounting solution for different application scenarios.

LBTEK window installed in the coaxial plate

	Product Model	Optical component material	Diameter	Thickness	Clear Aperture	Unit Price	Compare	Lead Time
	OW12-C	N-BK7	25.4 mm	5.0 mm	90% CA	$92.3		6 weeks
	OW11-C	N-BK7	12.7 mm	3.0 mm	90% CA	$66.16		6 weeks

N-BK7 Window, AR Coating: 1100 nm-1650 nm