12x9.7 mm N-BK7 Plano-concave Lens, AR Coated

Explore high-quality plano-concave lenses made from N-BK7 for optical applications with customizable sizes and AR coatings.

Core attributes

Material: N-BK7
Shape: Plano-concave
Diameter: 12 mm
Focal Length: 9.7 mm
Surface Quality: 60/40
Coating: anti-reflective (AR)
Transmission bands: NIR (0.7-1.7 μm), VIS (400-700 nm)

Product description

The plano-concave lens made from N-BK7 material is ideal for applications requiring beam expansion and aberration correction. With a focal length of -9.68 mm, it effectively diverges collimated light, making it suitable for optical systems operating in the 0.7-1.7 μm and 400-700 nm bands. The lens features AR coatings for enhanced performance, ensuring high transmittance and minimal distortion. Its customizable sizes and low MOQ options make it a reliable choice for R&D and production needs.

Key Features

Focal length of -9.68 mm for effective light divergence.
Diameter of 12.0 mm with a tolerance of +/-0.0-0.1 mm for precise fitting.
Clear aperture exceeding 98% for optimal light transmission.
AR coating enhances performance in 400-700 nm and 0.7-1.7 μm bands.
Custom sizes available to meet specific application requirements.

Available Sizes

Diameter x Focal Length (mm)
12 x 9.7

Applications

Collimation

Specification Summary

Item	Value
Material	N-BK7
Shape	Plano-concave
Diameter	12 mm
Focal Length	9.7 mm
Surface Quality	60/40
Coating	anti-reflective (AR)
Transmission bands	NIR (0.7-1.7 μm), VIS (400-700 nm)

Full Specifications

Parameter	Value
Type	Concave Lens
Weight	0.03
Diameter Tolerance	+/-0.0-0.1mm
Center Thickness	1.1mm
Clear Aperture	more than 98%
Coated	ar coated/custom-made

FAQ

What are the available custom sizes?

Custom sizes can be provided, including a variant size of 12.0 mm diameter with a thickness of 9.7 mm.

What is the minimum order quantity (MOQ)?

The minimum order quantity (MOQ) is not specified, allowing for flexible procurement options.