Asphercial Lenses

Band-Opitcs has many years of aspherical production experience and owns a variety of aspherical production equipments, providing maximum diameter 500mm to minimum diameter 6mm. Customized optics are produced according to customers’ drawings and requirements of precision.

The forms of aspheres are: parabolic aspheres, elliptic aspheres, off-axis aspheres, free-form surfaces, etc. The process can be grind, polish, diamond turning, mould and so on.

The applications of our aspherical lenses can be applied for many industries, such as:

• Medical industry: Endoscope, Ophthalmic equipment
• Laser industry: Laser collimation
• Semiconductor industry: Wafer vision equipment, Visual radar equipment
• Aerospace industry: Optical tracking equipment, Optical relay equipment
• Military industry: Optical analog equipment, High power laser lenses

Belows are the precision requirements that we can provide for aspherical lenses:

Specifications/ Standard	Precision Grade	Factory Standard	Commercial Grade
Dimensional tolerance	+/-0.02mm	+/-0.05mm	+/-0.1mm
Thickness tolerance	+/-0.03mm	+/-0.05mm	+/-0.1mm
Radius	Customized
Flatness	PV<1/10L	PV<1/2L	PV<3/2L
Surface quality	20-10	40-20	60-40
Roughness	RMS<1nm	RMS<5nm	RMS<5nm
Centering	<1arcmin	<3arcmin	<5arcmin
Chamfer	<0.1mm x 45deg	<0.2mm x 45deg	<0.5mm x 45deg
Coating	AR coating/Dielectric coating

All aspherical lenses are tested in our metrology laboratory and then 100% visually inspected by our QA department.

Contact our technical sales team to find out how Band-Optics can help you with your enquiry.

Inquire

We have a highly skilled team that continues to design innovative new products as well as creating cost-effective solutions to meet specifications, timelines and budgets.

CONTACT INFO

Tel: +86-159-5177-5819

Email: sales@nj-optics.com

Address: Industrial Park, No. 52 Tianyuan East Ave. Nanjing City, 211100, China

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